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		<h1>Đề KT cuối kì 2 hóa 8&#40;Đề 1</h1>
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<span style="font-size:10.5pt"><span style="tab-stops:49.65pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đề bài( Chính thức)</span></span></b></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><i><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">HS lựa chọn chỉ một đáp án đúng nhất trong các đáp án đã cho dưới mỗi câu hỏi sau</span></span></i></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 1: Kí hiệu hóa học của nguyên tố Nitơ là:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ni &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. N&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. Na&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. N<sub>2</sub></span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 2: Nguyên tử khối của Oxi là: </span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">16 đvC&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 16g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 32đvC</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. 32g</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 3: Cho CTHH của một số chất như sau: Mg, Na<sub>2</sub>O, NaOH, O<sub>2</sub> , C. </span></span></b></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hỏi số đơn chất là bao nhiêu:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. 4</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 4: Khí A nặng gấp 2 lần khí oxi( O<sub>2</sub>) .Hỏi khí A có thể là khí nào sau đây?</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;SO<sub>2</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. H<sub>2</sub>S&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. SO<sub>3</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. CO<sub>2</sub></span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 5: Khí nào nhẹ nhất trong tất cả các khí</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">CH<sub>4</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. CO&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. CO<sub>2</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. H<sub>2</sub></span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 6: Có thể thu khí nào sau đây bằng cách đặt úp bình:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">CH<sub>4</sub>, H<sub>2</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. CO<sub>2</sub>, SO<sub>2</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. H<sub>2</sub>, CO<sub>2</sub>&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. CH<sub>4</sub>, SO<sub>2</sub></span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 7:&nbsp; Hàm lượng sắt (Fe) trong hợp chất nào sau đây lớn nhất:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">FeO&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. Fe<sub>2</sub>O<sub>3</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. Fe<sub>3</sub>O<sub>4</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. FeCO<sub>3</sub></span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 8: Hợp chất nào sau đây có 75%C và 25%H </span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">CH<sub>4</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. C<sub>2</sub>H<sub>4</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. C<sub>2</sub>H<sub>6</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. C<sub>4</sub>H<sub>8</sub></span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 9. Đốt cháy hết 12g Cacbon thu được tối đa bao nhiêu lít khí CO<sub>2</sub>( đktc)</span></span></b></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A.11,2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 22,4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 33,6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. 44,8</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 10: Muốn điều chế được 14g Canxi oxit (CaO) thì cần dung ít nhất bao nhiêu gam Canxi cacbonat CaCO<sub>3</sub></span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">20g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 25g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 50g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D.100g</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 11: Có bao nhiêu nguyên tử các loại trong 2 mol nước (H<sub>2</sub>O):</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">12.10<sup>23</sup>&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 24.10<sup>23</sup>&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C.36.10<sup>23</sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. Đáp án khác</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 12: Công thức hóa học của muối ăn là:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">NaOH&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. NaCl&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. Na<sub>2</sub>CO<sub>3</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. NaHCO<sub>3</sub></span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 13: “ Phản ứng…. là PƯHH trong đó từ một chất ban đầu sinh ra hai hay nhiều chất mới”. Từ còn thiếu trong dấu …. Là:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thế&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. Hóa Hợp&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. Phân hủy&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. Cả 3 đán án trên</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 14: Nước tác dụng được với chất nào sau đây:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Na&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. CaO&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. P<sub>2</sub>O<sub>5</sub></span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. Cả 3 đáp án trên</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 15: Dung dịch là hỗn hợp ……</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Của chất rắn trong chất lỏng&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Của chất khí trong chất lỏng</span></span></span></span></li>
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đồng nhất của chất rắn và dung môi&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. đồng nhất của dung môi và chất tan</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 16: Độ tan của CuSO<sub>4</sub> ở 25<sup>o</sup>C là 40 g. Số gam CuSO<sub>4</sub> có trong 280 g dung dịch CuSO<sub>4</sub> bão hòa ở nhiệt độ này là bao nhiêu:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">60g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 65g&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 70g &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D.80g</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 17: ở 20<sup>o</sup>C, hòa tan 80g KNO<sub>3</sub> vào 190g nước thì được dung dịch bão hòa. Vậy độ tan của KNO<sub>3</sub> ở 20<sup>o</sup>C là:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">40,1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 44,2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 42,1g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. 43,5g</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 18: Độ tan của muối KCl ở 100<sup>o</sup>c là 40g. Nồng độ % của dung dịch KCl bão hòa ở nhiệt độ này là:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">26,25%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 28,57%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 29,32%&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. 30,21%</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 19: Khi giảm nhiệt độ và tăng áp suất thì độ tan trong nước của các chất khí:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đều tăng&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Có thể tăng, có thể giảm</span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. Đều giảm&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. Không tang cũng không giảm</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 20: Bằng cách nào có được 200g dung dịch BaCl<sub>2</sub> 5%</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hòa tan 190g BaCl<sub>2</sub> trong 10g nước</span></span></span></span></li>
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hòa tan 10g BaCl<sub>2</sub> trong 190g nước</span></span></span></span></li>
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hòa tan 100g BaCl<sub>2</sub> trong 100g nước</span></span></span></span></li>
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hòa tan 10g BaCl<sub>2</sub> trong 200g nước</span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 21: Nồng độ mol (C<sub>M</sub>) của dung dịch cho biết điều gì?</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="margin-left:8px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Số gam chất tan có trong 1 lít dung dịch</span></span></span></span></li>
	<li style="margin-left:8px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Số mol chất tan có trong 1 lít dung dịch</span></span></span></span></li>
	<li style="margin-left:8px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Số gam chất tan có trong 100g dung dịch</span></span></span></span></li>
	<li style="margin-left:8px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Số gam chất tan có thể hòa tan trong 100 gam nước.</span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 22: Trộn 100g dung dịch NaCl 20% với 300g dung dịch NaCl 16% thu được dung dịch có nồng độ là</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">15%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 17%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 18%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D.19%</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 23: Khối lượng CuSO<sub>4</sub> có trong 250ml dung dịch CuSO<sub>4</sub> 2M là bao nhiêu:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">80g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 160g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 500g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. Đáp án khác</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 24. Ở 20<sup>o</sup>C hòa tan 110g Na<sub>2</sub>SO<sub>4</sub> trong 200g nước thì thu được dung dịch bão hòa. Vậy độ tan của Na<sub>2</sub>SO<sub>4</sub> ở 20<sup>o</sup>C là:</span></span></b></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. 35,48g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 55g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 45g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. Đáp án khác</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 25. </span></span></b><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cho các chất: NaOH, NaCl, Na<sub>2</sub>SO<sub>4</sub>, Na<sub>2</sub>O, NaNO<sub>3</sub>. Khẳng định nào sau đây đúng:</span></span></b></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. </span></span><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Có 4 chất là oxit</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B.</span></span><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Có 2 chất là muối</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. </span></span><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Có 1 chất là axit</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D.</span></span><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Có 1 chất là Bazơ</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu26.&nbsp; </span></span></b><b><span lang="VI" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phân tử khối của Fe(OH)<sub>3</sub> là bao nhiêu</span></span></b><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> đvC</span></span></b><b><span lang="VI" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">:</span></span></b></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. </span></span><span lang="VI" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">75&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. </span></span><span lang="VI" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">107&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. </span></span><span lang="VI" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">219&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span lang="NL" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. </span></span><span lang="VI" style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dáp án khác</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 27: Cho 1,12 lít khí H<sub>2­</sub> đi qua 8g bột CuO nung nóng. Sau phản ứng thấy có m gam chất rắn. Giá trị của m là</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">0,64&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 6,4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 0,72&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. 7,2</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 28: Phản ứng nào sau đây sinh ra khí hiđro?</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cu + HCl&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">CaO + H<sub>2</sub>O</span></span></span></span></li>
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Fe + H<sub>2</sub>SO<sub>4</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">CuO +HCl</span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 29: Pha thêm 20g nước vào 80g dung dịch NaCl 15% thì dung dịch thu được có nồng độ là: </span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">14%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 13%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 12%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. 11%</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 30: Thể tích nước cần thêm vào 2 lít dung dịch NaOH 1M để thu được dung dịch có nồng độ 0,1M là:</span></span></b></span></span>

<ol style="list-style-type:upper-alpha">
	<li style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">18 lít&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span></li>
</ol>
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. 16 lít&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. 17 lít&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. 19 lít</span></span></span></span><br />
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<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ĐÁP ÁN – BIỂU ĐIỂM (100 điểm)</span></span></b></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ĐỀ 1</span></span></b></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><b><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">KIỂM TRA CUỐI KÌ HÓA HỌC 8 NĂM HỌC 2020-2021</span></span></b></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Từ câu 1 đến câu 10: mỗi câu đáp án đúng 4đ</span></span></span></span><br />
<span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Từ câu 11 đến câu 30: Mỗi câu đúng 3đ</span></span></span></span><br />
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			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:1px solid black" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:46px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">4</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">7</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">8</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">9</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">10</span></span></span></span></td>
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		<tr>
			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:1px solid black" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đáp án</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:46px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B</span></span></span></span></td>
		</tr>
	</tbody>
</table>
&nbsp;

<table class="MsoTableGrid" style="border-collapse:collapse; border:none">
	<tbody>
		<tr>
			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:1px solid black" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:46px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">11</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">12</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">13</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">14</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">15</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">16</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">17</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">18</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">19</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">20</span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:1px solid black" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đáp án</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:46px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B</span></span></span></span></td>
		</tr>
	</tbody>
</table>
&nbsp;

<table class="MsoTableGrid" style="border-collapse:collapse; border:none">
	<tbody>
		<tr>
			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:1px solid black" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:46px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">21</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">22</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">23</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">24</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">25</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">26</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">27</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">28</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">29</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">30</span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:1px solid black" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đáp án</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:46px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:47px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:57px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:66px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:10.5pt"><span style="font-family:Century,serif"><span style="font-size:14.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A</span></span></span></span></td>
		</tr>
	</tbody>
</table>
<br />
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				Giáo viên: Nguyễn Thị Mơ
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