Câu 13: Phát biểu nào sau đây không đúng khi nói về axit clohiđric? A. Dung dịch axit clohiđric không màu. B. Dung dịch axit clohiđric làm quỳ tím chuyển sang màu đỏ. C. Axit clohiđric là axit mạnh. D. Cho vài giọt phenolphtalein vào dung dịch axit clohiđric thấy xuất hiện màu hồng. Câu 14: Phản ứng nào sau đây là đúng? A. NaCl (rắn) + H2SO4 (đặc) NaHSO4 + HCl. B. Cu + 2HCl ---> CuCl2 + H2. C. AgCl + NaNO3 ---> NaCl + AgNO3. D. AgNO3 + NaF --> AgF + NaNO3. Câu 15: Công thức của clorua vôi? axit hipoclorơ? nhôm bromua? kali iotua?

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PART FIVE: WRITING. I- There is a mistake in each sentence. Find and correct it 1. Children shouldn’t playing video games. ->.................................................................................................................................. 2. My house is between the tall trees. ->................................................................................................................................... 3. Would you want to go to the zoo with us? ->................................................................................................................................... 4. How much is that packet of milk cost? ->................................................................................................................................... 5. He never drinks coffee so it is not good for his health. ->.................................................................................................................................. II - Complete the second sentence, using the word given in brackets so that it has a similar meaning to the first sentence. Do not change the word given in any way. 1. Her mother and she walk to school in the morning. -> Her mother and she go................................................................................................... 2. How much is a bottle of water? -> What..............................................................................................................................? 3. Let’s dance and sing a song. -> What about....................................................................................................................? 4. No hotel on the street is newer than this hotel. -> This hotel....................................................................................................................... 5. Does her school have twenty- three classrooms and eight hundred-eighty students? -> Are.................................................................................................................................? 6. His house has a living- room, two bedrooms and a kitchen. -> There............................................................................................................................... 7. What’s your brother’s weight? ->How................................................................................................................................? 8. This building belongs to my brother. -> This is ............................................................................................................................ 9. What time does Mai go to work? -> When ............................................................................................................................? 10. How high is the Mount Everest? -> What ...........................................................................................................................?