Câu 1.có những chất sau Na2O, H2O, NaOH ,H2SO4 .những cặp chất nào có thể tác dụng với nhau viết PTHH. Câu 2.khí CO có lẫn CO2 và SO2 làm thế nào để tách hợp chất ra khỏi CO? Viết PTH

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1. The boy asked me what time it was. The boy asked . . . . . . . . ....................................... 2.My friend is too weak to lift the box. My friend isn’t. . . . . . . . . . . . . .. 3. The astronauts orbited the earth in two hours. It took. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.I think no city in the world more beautiful than Paris. I think Paris. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5. He hasn’t been back to his home village for over 30 years. It is. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 School uniforms must be worn at all times. Pupils. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7. “ Is your little son good at this subject?” I said to Mrs Chung. I asked. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8. “ Don’t go near the water, children.” She said. She asked. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.Because he behaved so badly, he was punished. Because of. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10. We couldn’t drive because of the fog. The fog. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11. She has to quite smoking or she will to die. If. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12. In spite of being tired after work, she still prepareed dinner for her family. Although. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MÌNH CẦN GẤP LẮM!!!!CÁC BẠN GIÚP MÌNH ĐI!!!!!!!!!!!!!!!