1. Cho một thanh sắt nặng 5,53g vào bình đựng dung dịch axit clohidric loãng thu được dung dịch A và khí bay lên (đktc). Cô cạn dung dịch A được m (g) chất rắn. Vậy dung dịch A là gì và m có giá trị bằng bao nhiêu? (Biết: Fe = 56; H = 1; Cl = 35,5) A. FeCl2 & m = 113,9825g B. FeCl2 & m = 12,54125g C. FeCl3 & m = 55,3g D. Không xác định được 2. Cho 13g Zn vào dung dịch chứa 0,5 mol HCl, chất còn dư sau phản ứng là: (Biết: Zn = 65; H = 1; Cl = 35,5) A. Zn B. HCl C. Cả 2 chất vừa hết D. Không xác định được 3. Dung dịch axit được dùng để điều chế hidro trong phòng thí nghiệm là A. H2SO4 đặc B. HCl đặc C. H2SO4 loãng D. A&B đều đúng 4. Có 11,2 lít (đktc) khí thoát ra khi cho 56g sắt tác dụng với một lượng axitclohiđric. Số mol axit clohiđric cần thêm tiếp đủ để hoà tan hết lượng sắt là: (Biết: Fe = 56; H = 1; Cl = 35,5) A. 0,25 mol B. 1 mol C. 0,75 mol D. 0,5 mol

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WRITING Chuyển những câu sau đây sang lời nói gián tiếp: 1. He said: “My son will be here soon”. He said................................................................................... 2. They said: “We have never been defeated”. they said......................................................... 3. She told me: “I am going to the party with my mother”. He told me............................................................................................. 4. “Is this book written in English?” they asked me.. They asked me........................................... 5. “Do you love your job?” she asked me. She asked me........................................... 6. “Have you finished your work?” she asked. She asked.......................................................... 7. “What time did you go to bed last night?” He asked.................................................................................................. 8. What do you want, my boy? He asked...................................................................................................................... 9. Who will come to the pictures with me? He asked........................................... 10. “The police will arrest him if they catch him.” The police announced. →.The police announced................................................................ 11. If she hadn’t got married at such an early age, so she would be at university now.” said her parents →Her parents said. ........................................................................................................ 12. “If I didn’t work in the evening, I would have more time to play with my children.” said Ann → Ann said....................................................................................................................... 13. “If you drink too much coffee; you can’t sleep.” Her mother said →Her mother said.................................................................................... 14. “We would have got lost if we hadn’t had a map.” The students said → The students said.................................................................................................. 15. “I will drive you to the airport. I insist”, John said to Linda →John insisted............................................................................................... 16. “I’m happy you have passed the final exam. Congratulation”, Jim said to you. →Jim congratulated................................................................................................. 17. “It was nice of you to invite me to the dinner. Thank you”. Miss White said → Miss White thanked.................................................................................................. 18. “Lan, can you remember to buy some bread?” → Minh reminded................................................................................................. 19. “No, I’m sorry, I won’t work on Saturday. Definitely not” said Ann. → Ann refused.................................................................................................. 20. “Yes, all right, I’ll share the bill with you, Mai” said Kim → Kim agreed................................................................................................. Combine these pairs of sentences, using WHERE, WHICH, WHO, WHOM, WHOSE, THAT 1. The girl is sitting by Jack. She is Mary. →……………….…………………………………………………..……… 2. Can you understand the question? He asked you the question last time. →……………………………………………………..……… 3. Is that the girl? We saw her on T.V last night. →………………………………………………………..……… 4. The farm produces milk. We visited it last Sunday. →……………………………………………………………..……… 5. At last he married the girl. He loved her. →…………………………………………………………..……… 6. The man is an engineer. We play with his daughter every day. →………………………………………………………..……… 7. He didn’t receive the letter. I sent him the letter last January. →…………………………………………………………..……… 8. He often tells me something about his village. He was born there. →……………………………………………………………………..……… 9. The children like the funny stories. Their grandmother tells them those stories every evening. →…………………………………………………………..……… 10. Jack London is a famous American writer. He wrote “Iron heel”. →…………………………………………………………………..……… 11. Our teacher assigned us the homework. We had to finish it within a week. →…………………………………………………………..……… 12. Ngoc has just moved to a new school. It was built two years ago. →………………………………………………………………..……… 13. The man is selling lottery tickets. He used to be very rich. →………………………………………………………………..……… 14. Hai’s friend is a very interesting boy. He came from Da Nang. →…………………………………………………………………..……… 15. Mekong Delta is located in the South of Viet Nam. It provides most of the rice for exporting. →…………………………………………………………………………..………