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		<h1>KT CUỐI KÌ II MÔN HÓA</h1>
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			<li>Thứ năm - 05/08/2021 15:03</li>
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			<td colspan="3" style="border-bottom:none; width:272px; padding:0in 7px 0in 7px; border-top:none; border-right:none; border-left:none" valign="top"><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phòng GD-ĐT Thanh Oai</span></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Trường THCS Thanh Thùy</span></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Họ Tên HS: .......................</span></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lớp:...</span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">...........................</span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">.....</span></span></span></span></td>
			<td colspan="2" style="border-width: initial; border-style: none; border-color: initial; width: 358px; padding: 0in 7px; text-align: center;" valign="top"><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-size:20.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">KIỂM TRA CUỐI KỲ II</span></span></span></b></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><i><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Môn: Hóahọc 9</span></i></b></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Năm học 20</span></i></b><b><i><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">20</span></i></b><b><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">-202</span></i></b><b><i><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1</span></i></b></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">(</span></i></b><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> Thời gian làm bài 45 phút)</span></i></span></span></span><br />
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<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đềbài</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phần I: Trắc nghiệm: (</span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">đ)</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><i><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khoanh vào đáp án đúng </span></i><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">nhất </span></i><i><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;trong mỗi câu hỏi sau:</span></i></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1. Chất nào </span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">sau đây là công thức hóa học của muối ăn</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A&nbsp;&nbsp; </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">NaOH&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp; B. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Na</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cl&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Na</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ClO&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Na</span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">NO<sub>3</sub></span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2. </span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Chất nào sau đây tác dụng được với Na?</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C<sub>2</sub>H<sub>5</sub>OH</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">CH<sub>3</sub>COOH</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp; C.</span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">CH<sub>3</sub>CH<sub>2</sub>COOH</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cả 3 đáp án trên</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3. </span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim loại nào không tác dụng với khí oxi</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. Ag, Au&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. K, Na, C. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Al,Fe</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cu,Zn</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">4. Phân đạm nào sau đây có hàm lượng đạm </span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">( N) </span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">cao nhất?</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. CO(NH<sub>2</sub>)<sub>2</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. NH<sub>4</sub>Cl&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. NH<sub>4</sub>NO<sub>3</sub>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. (NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub></span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5. </span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Để sử dụng nhiên liệu có hiệu quả cần phải cung cấp khí oxi hoặc không khí như thế nào:</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Vừa đủ</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thiếu &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dư</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D.</span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thế nào cũng được</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6. </span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khí metan có nhiều ở đâu?</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Trong các mỏ khí&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp; B. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Trong các mỏ dầu&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Trong các mỏ than</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp; D. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tất cả các đáp án trên</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">7</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">. </span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cho các khí sau: CH<sub>4</sub>; H<sub>2</sub>; O<sub>2</sub>; Cl<sub>2</sub>. Hỏi có mấy cặp chất tác dụng được với nhau</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A.</span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">4</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">8</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">. </span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thông tin nào sai khi nói về dầu mỏ</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dầu mỏ là chất lỏng sánh, màu nâu đen</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dầu mỏ là một hỗn hợp phức tạp của nhiều loại hidrocacbon</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C.</span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dầu mỏ nhẹ hơn nước và tan vô hạn trong nước</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dầu mỏ là nguồn nhiên liệu quan trọng trong đời sống và sản xuất</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">9</span></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">. </span></b><b><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;Dựa vào dữ kiện nào sau đây để có thể nói một chất là vô cơ hay hữu cơ ?</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. </span></b><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Trạng thái( rắn, lỏng, khí)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>B.</b> Màu sắc</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C.</span></b><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> Độ tan trong nước&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D.</b> Thành phần nguyên tố</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">10.</span></b><b><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hãy chọn câu đúng ?</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. </span></b><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phi kim dẫn điện tốt&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>C.</b> Phi kim chỉ tồn tại ở 2 trạng thái rắn, khí&nbsp;&nbsp;&nbsp; </span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. </span></b><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phi kim dẫn nhiệt kém&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>D.</b> Phi kim dẫn nhiệt tốt</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phần II. Tự luận (</span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">đ)</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 1( </span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1,5</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">đ) : </span></b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Giải thích mục đích của mỗi việc làm sau</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">a)</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tạo các hàng lỗ trong các viên than tổ ong</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">b) </span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Quạt gió vào bếp lò khi nhóm lửa</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">c) </span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đậy bớt cửa lò khi ủ bếp</span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> than</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu</span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2 (1,5</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">đ</span></b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">): </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Viết PTHH thực hiện những chuyển đổi sau</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Etilen&nbsp;&nbsp; →&nbsp; Rượu etylic&nbsp; →&nbsp;&nbsp;&nbsp; Axit axetic&nbsp; →&nbsp;&nbsp;&nbsp;&nbsp; etyl axetat</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu</span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">(2đ): </span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Đốt cháy hoàn toàn 1 lít rượu eylic 92<sup>0</sup> ( cồn 92<sup>0</sup>). </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tính thể tích khí oxi đã tham gia phản ứng và thể tích không khí cần dùng ở đktc. Biết khối lượng riêng của rượu etylic là d = 0,8g/ml, coi thể tích oxi chiếm 1/5 thể tích không khí.</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">BÀI LÀM</span></span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">……………………………………………………………………………………………</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">………………………………………………………………………………</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">…………………………………………………………………………………………………………………………………………………………………………………………</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">…………………………………………………………………………………………………………………………………………………………………………………………</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">…………………………………………………………………………………………………</span></span></span></span><br />
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<span style="font-size:14pt"><span style="line-height:115%"><span style="tab-stops:280.0pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">HƯỚNG DẪN CHẤM</span></span></b><b><span lang="PT-BR" style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">KIỂM TRA CUỐI KÌ II</span></span></b></span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="tab-stops:280.0pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Môn: </span></span></b><b><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hóahọc 9</span></span></b></span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="tab-stops:280.0pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nămhọc: 2020-2021</span></span></b></span></span></span></span><br />
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<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phần I: (5đ).</span></b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> Mối đáp án đúng được 0,5 đ</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1B-2D-3A-4A-5A-6D-7C-8C-9D-10B</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phần II:</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 1( 1,5đ):</span></b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> mối giải thích đúng được 0,5đ</span></span></span></span>

<ol style="list-style-type:lower-alpha">
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tạo lỗ ở viên than tổ ong là để tăng diện tích tiếp xúc giữa than và khí oxi, (không khí) giúp than cháy nhanh, cháy hết </span></span></span></span></li>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Quạt gió vào bếp lò khi nhóm bếp nhằm cung cấp khí oxi(không khí) giúp sự cháy diễn ra thuận&nbsp; lợi</span></span></span></span></li>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đậy bớt cửa lò khi ủ bếp là là giảm tối đa lượng oxi đi vào bếp</span> <span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">nhằm duy trì sự cháy ở mức tối thiểu hoặc</span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> giúp giảm nhiệt lượng khi không có nhu c</span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ầ</span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">u sử dụng và tiết kiệm được nhiên liệu</span></span></span></span></li>
</ol>
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 2(1,5đ)</span></b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">: Mỗi PTHH viết đúng, đủ điều kiện( nếu có) được 0,5đ</span></span></span></span><br />
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<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C<sub>2</sub>H<sub>4</sub>&nbsp; + H<sub>2</sub>O<sup>axit</sup>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C<sub>2</sub>H<sub>5</sub>OH</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C<sub>2</sub>H<sub>5</sub>OH&nbsp;&nbsp;&nbsp;&nbsp; + O<sub>2</sub><sup>Men </sup></span><sup><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">gi</span></sup><sup><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ấm</span></sup><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp; CH<sub>3</sub>COOH + H<sub>2</sub>O</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; H<sub>2</sub>SO<sub>4</sub>đ, t<sup>0</sup></span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">CH<sub>3</sub>COOH + C<sub>2</sub>H<sub>5</sub>OH&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; CH<sub>3</sub>COOC<sub>2</sub>H<sub>5</sub>&nbsp;&nbsp; + H<sub>2</sub>O</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 3(2đ):</span></b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> Tính được</span></span></span></span>

<ul>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thể tích rượu etylic là:&nbsp; 920 ml&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,25đ</span></span></span></span></li>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khối lượng rượu etylic là:&nbsp; 736 (g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,25đ</span></span></span></span></li>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Số mol rượu là : 16 mol&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,25đ</span></span></span></span></li>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">PTHH: </span></span></span></span></li>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Số mol oxi = 48 mol&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; 0,25đ</span></span></span></span></li>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">V<sub>O2</sub> =&nbsp; 1075,2 (l)&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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,5đ</span></span></span></span></li>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">V<sub>KK</sub> = 5376 (l)&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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,5đ</span></span></span></span></li>
</ul>
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			<td style="border-bottom:none; width:302px; padding:0in 7px 0in 7px; border-top:none; border-right:none; border-left:none" valign="top"><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phòng GD-ĐT Thanh Oai</span></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Trường THCS Thanh Thùy</span></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Họ Tên HS: ...........................</span></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lớp:........</span></span></span></span></td>
			<td style="border-bottom:none; width:358px; padding:0in 7px 0in 7px; border-top:none; border-right:none; border-left:none" valign="top"><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-size:20.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">KIỂM TRA CUỐI KỲ II</span></span></span></b></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><i><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Môn: Hóahọc 8</span></i></b></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Năm học 20</span></i></b><b><i><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">20</span></i></b><b><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">-202</span></i></b><b><i><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1</span></i></b></span></span></span><br />
			<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">(</span></i></b><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> Thời gian làm bài 45 phút)</span></i></span></span></span><br />
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		</tr>
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<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span></span>

<table class="Table" style="margin-left:44px; border-collapse:collapse; border:none">
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			<td style="border-bottom:1px solid black; width:131px; 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:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><i><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điểm</span></i></span></span></span><br />
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			<td style="border-bottom:1px solid black; width:457px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><i><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Lời phê của cô giáo</span></i></span></span></span></td>
		</tr>
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</table>
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đềbài</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phần I: Trắc nghiệm: (</span></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">4</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">đ)</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><i><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 1(3đ): Khoanh vào đáp án đúng </span></i><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">nhất </span></i><i><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;trong mỗi câu hỏi sau:</span></i></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1. Nhóm các chất nào sau đây được dùng để điều chế khí oxi trong phòng thí nghiệm</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A&nbsp;&nbsp; </span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khôngkhí, nước</span>&nbsp; <span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. </span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">KMnO<sub>4</sub>, KClO<sub>3</sub></span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. </span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">CaCO<sub>3</sub>, Ca(OH)<sub>2</sub></span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&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; D. CO<sub>2</sub>, H<sub>2</sub>O</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2. </span></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Kim loại nào sau đây tác dụng được với nước ở điều kiện thường</span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">?</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. </span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Zn</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. </span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mg&nbsp; </span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.</span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> Na</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cả 3 đáp án trên</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3. </span></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đốt cháy hết 22,4 lít khí H<sub>2</sub> (đktc) sẽ thu được bao nhiêu gam nước</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. 18&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. 22,4C.</span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> 36</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&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; D. </span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đápánkhác</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">4. 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>&nbsp; ở 20<sup>o</sup>C là:</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A. 35,48g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; B. 55g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; C. 45g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D. Đáp án khác</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">5. </span></b><b><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></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;A. </span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Có 4 chất là oxit</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&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;&nbsp; &nbsp;&nbsp;&nbsp;B.</span><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:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif">&nbsp;&nbsp;&nbsp; <span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C. </span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Có 1 chất là axit</span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&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;&nbsp;&nbsp;&nbsp;&nbsp; D.</span><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:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6.&nbsp; </span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phân tử khối của Fe(OH)<sub>3</sub> là bao nhiêu</span></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">đvC</span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">:</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">A.&nbsp;&nbsp; </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">75&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">B. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">107&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C.&nbsp; </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">219&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">D. </span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dáp án khác</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><i><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu </span></i><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2(1đ)</span></i><i><span lang="PT-BR" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">:</span></i><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ghép th</span></i><i><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ô</span></i><i><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ng tin ở cột A và B cho phù hợp</span></i></span></span></span><br />
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<table class="Table" style="width:678px; border-collapse:collapse; border:none" width="678">
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			<td style="border-bottom:1px solid black; width:136px; 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:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cột A</span></b></span></span></span></td>
			<td style="border-bottom:1px solid black; width:391px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cột B</span></b></span></span></span></td>
			<td style="border-bottom:1px solid black; width:151px; padding:0in 7px 0in 7px; border-top:1px solid black; border-right:1px solid black; border-left:none" valign="top"><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">K</span></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ếtQuả</span></b></span></span></span></td>
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			<td style="border-bottom:1px solid black; width:136px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:1px solid black">
			<ol>
				<li style="text-align:justify"><span style="font-size:14pt"><span style="text-justify:inter-ideograph"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dung dịch</span></span></span></span></span></li>
			</ol>
			</td>
			<td style="border-bottom:1px solid black; width:391px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none">
			<ol style="list-style-type:lower-alpha">
				<li style="text-align:justify"><span style="font-size:14pt"><span style="text-justify:inter-ideograph"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Là dung dịch không thể hòa tan thêm chất tan</span></span></span></span></span></li>
			</ol>
			</td>
			<td style="border-bottom:1px solid black; width:151px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none"><span style="font-size:14pt"><span style="text-justify:inter-ideograph"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1...............</span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; width:136px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:1px solid black">
			<ol start="2">
				<li style="text-align:justify"><span style="font-size:14pt"><span style="text-justify:inter-ideograph"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dung môi</span></span></span></span></span></li>
			</ol>
			</td>
			<td style="border-bottom:1px solid black; width:391px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none">
			<ol start="2" style="list-style-type:lower-alpha">
				<li style="text-align:justify"><span style="font-size:14pt"><span style="text-justify:inter-ideograph"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Là hỗn hợp đồng nhất của dung môi và chất tan</span></span></span></span></span></li>
			</ol>
			</td>
			<td style="border-bottom:1px solid black; width:151px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none"><span style="font-size:14pt"><span style="text-justify:inter-ideograph"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2...............</span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; width:136px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:1px solid black">
			<ol start="3">
				<li style="text-align:justify"><span style="font-size:14pt"><span style="text-justify:inter-ideograph"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dung dịch bão hòa</span></span></span></span></span></li>
			</ol>
			</td>
			<td style="border-bottom:1px solid black; width:391px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none">
			<ol start="3" style="list-style-type:lower-alpha">
				<li style="text-align:justify"><span style="font-size:14pt"><span style="text-justify:inter-ideograph"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Là chất có khả năng hòa tan chất khác để tạo thành dung dịch</span></span></span></span></span></li>
			</ol>
			</td>
			<td style="border-bottom:1px solid black; width:151px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none"><span style="font-size:14pt"><span style="text-justify:inter-ideograph"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3..............</span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1px solid black; width:136px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:1px solid black"><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">4 .</span><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Dungdịch chưa bão hòa</span></span></span></span></td>
			<td style="border-bottom:1px solid black; width:391px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none">
			<ol start="4" style="list-style-type:lower-alpha">
				<li style="text-align:justify"><span style="font-size:14pt"><span style="text-justify:inter-ideograph"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Là dung dịch có thể hòa tan thêm chất tan</span></span></span></span></span></li>
			</ol>
			</td>
			<td style="border-bottom:1px solid black; width:151px; padding:0in 7px 0in 7px; border-top:none; border-right:1px solid black; border-left:none"><span style="font-size:14pt"><span style="text-justify:inter-ideograph"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">4................</span></span></span></span></span></td>
		</tr>
	</tbody>
</table>
<br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phần II. Tự luận (</span></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">6</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">đ)</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 1( </span></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">đ) : </span></b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Gọi tên mối chất có CTHH sau: CaCO<sub>3</sub> ; HCl ; CuO ; SO<sub>2</sub> ; Ba(OH)<sub>2</sub>; H<sub>2</sub>SO<sub>4</sub> ; ZnCl<sub>2</sub> ; Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub></span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu</span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2 (</span></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">2</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">đ</span></b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">): </span><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">a) Côcạn 400ml dung dịchNaClnồngđộ a M thuđược 5,85g NaCl. Tính a?</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">b) Hòa tan 15g MgCl<sub>2</sub> vào 105g nước. Tính nồng độ phần trăm của dung dịch thu được.</span></span></span></span><br />
<br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu</span></b><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">3</span></b><b><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">(2đ): </span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span lang="NL" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Có bao nhiêu gam CuSO<sub>4</sub> tách ra khỏi dung dịch khi làm lạnh 300g dung dịch CuSO<sub>4</sub> bão hòa từ 25<sub>o</sub>C xuống 10<sup>o</sup>C. Biết độ tan của CuSO<sub>4</sub> ở 2 nhiệt độ này lần lượt là 40g và 17,4 g</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">BÀI LÀM</span></span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">……………………………………………………………………………………………</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">…………………………………………………………………………………………………………………………………………………………………………………………</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">……………………………………………………………………………………………</span></span></span></span><br />
<br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="tab-stops:280.0pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">HƯỚNG DẪN CHẤM</span></span></b><b><span lang="PT-BR" style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">KIỂM TRA CUỐI KÌ II</span></span></b></span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="tab-stops:280.0pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Môn: </span></span></b><b><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Hóahọc8</span></span></b></span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="tab-stops:280.0pt"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nămhọc: 2020-2021</span></span></b></span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span lang="VI" style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ph</span></b><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ần I: Trắcnghiệm (4đ)</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 1(3đ): </span></b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mỗi đáp án khoanh đúng được 0,5đ</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1B – 2C - 3A – 4B – 5D – 6B</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 2(1đ): M</span></b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ỗi kết quả ghép đúng được 0,25đ</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">1B-2C-3A-4D</span></span></span></span><br />
<br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phần II: Tựluận</span></b></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 1(2đ) : </span></b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Gọi đúng tên mối chất được 0,25đ</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 2( 2đ)</span></b></span></span></span>

<ol style="list-style-type:lower-alpha">
	<li style="margin-left:8px"><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">n<sub>NaCl</sub> = 5,85 : 58,5 = 0,1 mol&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,5đ</span></span></span></span></li>
</ol>
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C<sub>M(NaCl)&nbsp; </sub>&nbsp;=&nbsp; a&nbsp; =&nbsp; 0,1 : 0,4 = 0,25 M&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,5đ</span></span></span></span>

<ol start="2" style="list-style-type:lower-alpha">
	<li style="margin-left:8px"><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">m<sub>dd</sub> = 15+105 = 120 g&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; 0,5đ</span></span></span></span></li>
</ol>
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C%<sub>MgCl2</sub> = 15.100: 120 = 12,5%&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,5đ</span></span></span></span><br />
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><b><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Câu 3( 2đ)</span></b></span></span></span>

<ul>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tính được khối lượng nước và khối lượng CuSO<sub>4</sub>trong 560g dd bão hòa&nbsp;&nbsp;&nbsp; 1đ</span></span></span></span></li>
</ul>
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">m<sub>H2O </sub>= 400g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; m<sub>CuSO4</sub> = 160g</span></span></span></span>

<ul>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tính được khối lượng chất tan có trong dd ở 10<sup>o</sup>C </span></span></span></span></li>
</ul>
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">m<sub>CuSO4</sub> = 69,6g&nbsp; 0,5đ</span></span></span></span>

<ul>
	<li><span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tính được khối lượng CuSO<sub>4 </sub>kết tinh: 160 – 69,6 = 90,4 g&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0,5đ</span></span></span></span></li>
</ul>
<span style="font-size:14pt"><span style="line-height:115%"><span style="font-family:&#039;.VnTime&#039;,sans-serif"><i><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">( HS strình bày cách khác mà đúng vẫn cho điểm tối đa) </span></i></span></span></span><br />
<br />
<br />
&nbsp;
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				Giáo viên: Nguyễn Thị Mơ
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