Câu 9: Hấp thụ hoàn toàn 3,584 lít CO2(đktc) vào 2 lít dung dịch Ca(OH)2 0,05M thu kết tủa X và dung dịch
Y . Khi đó khối lượng của dung dịch Y so với khối lượng của dung dịch Ca(OH)2 sẽ tăng hay giảm bao nhiêu
gam? 

Cho 4,48 lít CO2 (ở đktc) hấp thụ hết vào 100ml dung dịch Ba(OH)2 1,5M. Khối lượng kết tủa thu
được là bao nhiêu? 

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 John Brown is a lecturer. He went to university in 1982, and was one of the best students at that time.
In 1990, he became a professor. He has been a senior lecturer since then. He is very well-known in his
teaching career. He has written five books about education, including a book “How to teach deaf children” in
1995. He has been to Thailand, the Philippines, and Vietnam to give lectures dealing with “disabled students
and integrated education”. He was married to his assistant, Linda. They have two children. In the 1990s, they
lived in the suburbs of London. They are now living in the center of the city. In fact, they have lived there
since 2000.
Statements True False
5. When Mr. John Brown went to university, he was the best student.
6. He has written five books about entertainment.
7. They are now living in the suburbs of London.
8. He got married to one of his best students.

B. PHẦN TỰ LUẬN: (Thí sinh làm trực tiếp vào đề thi)
I. WORD FORM (1 point / 0.25 each):
Give the correct form of the word in each bracket.
1. We all looked ___________ after the summer holidays. (HEALTH)
2. I find that this magazine is very ____________. (INFORM)
3. In recent years, there has been many ________________ in science. (DEVELOP)
4. The plane arrived ___________ after a violent storm. (SAFE)

IV. GUIDED CLOZE TEST (2 points / 0.25 each)
Choose the correct option (A, B, C or D) that best fits each space in the following passage.
The Director
L & P Transport Company
79B Nguyen Hue Boulevard
Ho Chi Minh City
ĐỀ THI THỬ SỐ 05
I’m writing about the short stop that your trucks (17) ______ around my house on their way to the
north. When the trucks of your company have a short (18) ______ there, the drivers have left lots of garbage
on the ground (19) _______ their refreshment. When the trucks leave the place, the ground is (20) _________
of trash and a few minutes later there is bad smell and flies all over the place. I myself, (21) ______ the people
living around here, would urge that your company should tell your drivers (22) _______ up all the trash on the
ground before leaving. (23) _________ you do something about it and soon, we will have to report this to the
local authority.
I am looking forward to hearing from you and (24) ______ positive response from your company.
17. A. produce B. do C. take D. make
18. A. break B. relax C. advertise D. entertain
19. A. after B. before C. between D. with
20. A. crowded B. filled C. fond D. full
21. A. as long as B. as far as C. as soon as D. as well as
22. A. clean B. cleaning C. to clean D. cleaned
23. A. Although B. If C. Because D. Unless
24. A. see B. to see C. seeing D. saw

III. ERROR RECOGNITION (0.75 point / 0.25 each)
Choose the underlined word/ phrase (A, B, C or D) that needs correcting.
14. They told us that they enjoyed to listen to Pop music in their free time.
 A B C D
15. I used to stayed on a farm with my grandparents when I was a child.
 A B C D
16. I suggested that you taking his advice to treat your cough.
 A B C D

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