Bài 1(1đ): Cho 12,7 gam muối sắt clorua vào dung dịch NaOH có dư trong bình kín thu được 9 gam một chất kết tủa. Xác định công thức hóa học của muối.
Bài 2(1đ):  
Hòa tan 1,41 gam hỗn hợp gồm bột Al và bột Mg trong dung dịch axit H2SO4 loãng dư thì tạo thành 1568 ml lít khí H2 (ở đktc). Tính khối lượng của mỗi kim loại có trong hỗn hợp ban đầu.
Bài 3(2đ): Cho 11.2 lít CO2 (ở đktc) vào 200 gam dung dịch NaOH 10%. Xác định nồng độ phần trăm của muối thu được trong dung dịch.

Câu 1: A. computer B. situation C. telephone D. teacher 
Câu 2: A. buildings B. schools C. zoos D. markets
Câu 3: A. disappeared B. decided C. claimed D. freed
Câu 4: A. entertain B. magazine C. industry D. volunteer (Stress)
Câu 5: What time______your work yesterday?
A. did you finish B. are you finishing C. have you finished D. do you finish
Câu 6: I'm not going out yet. I'm waiting_____the rain to stop.
A. for B. at C. on D. with
Câu 7: Lan enjoys watching television after dinner, ?
A. does she B. doesn't she C. did she D. didn't she
Câu 8: ______the TV. There's nothing interesting on.
A. Turn down B. Turn up C. Turn off D. Turn on
Câu 9: ______his frequent absence from class, he passed the test.
A. Because B. Even though C. In spite of D. Therefore
Absence from. vắng mặt 
Câu 10: Please spend time______over my composition for spelling errors!
A. read B. reading C. to read D. to reading
Câu 11: When will they finish the of your house? 
A. decorate B. decorated C. decoration D. decorating
Câu 12: I'm tired although I stayed up late to do all my homework last night.
A. tired B. although C. to do all D.my homework 
Câu 13: Anne felt very happily because she got mark 10 in math.
A. happily B. because C. mark 10 D. in math
Câu 14: Sarah has been working for the company from 2001.
A. has been B. working C. for D. from
Câu 15: There is general ___________ that Vietnamese students lack knowledge of the natural, or manmade, wonders of Viet Nam. 
A. recognition B. saying C. accepting D. undertaking

Câu 1: A. grade B. many C. tasty D. safe
Câu 2: A. needed B. poured C. claimed D. pulled
Câu 3: I lent him some money. I wanted him to continue his study at college. 
A. I lent him some money so as he will continue his study at college. 
B. I lent him some money so that to continue his study at college. 
C. I lent him some money for him continue his study at college. 
D. I lent him some money in order that he could continue his study at college.
Câu 4: Margaret was slow at school, but she went on ______Prime Minister. 
A. being B. to have been C. to be D. having been 
Prime Minister: Thủ tướng
Câu 5: Jack asked his sister ______.
A. where you will go tomorrow B. where you have gone tomorrow 
C. where would she go the following day D. where she would go the following day 
Câu 6: Production methods in the village are normally ______ from ancestors to the younger 
generations. 
A. passed away B. passed down C. passed up D. passed out 
Câu 7: This laptop is much more user-friendly, but it costs ______ the other one. 
A. as many as B. twice as many C. so much as D. twice as much as 
Câu 8: More open discussions______ online to help us reach a good decision. 
A. conducts B. will conduct C. conducted D. will be conducted 
Câu 9: Although everybody says the film is boring, ______ . 
A. I will want to see it B. but I want to see it 
C. I want to see it D. but I will want to see it 
Câu 10: A……. is a solid figure or object, made by carving or shaping wood, stone, clay, etc. 
A. painting B. sculpture C. picture D. medal 
Câu 11: Linda: "Thank you for the lovely present." Peter: “ ______ ." 
A. Come on B. I'm pleased you like it C. Not at all D. Go ahead
Câu 12: Susan shared with her friend about losing her purse. 
 Susan: "I have lost my purse". Her friend: "______." 
A. That's nothing B. Oh, be careful C. It's careless D. Oh, what a pity
Câu 13: People expect that the report will suggest some major reforms. 
A. It is expecting that the report will suggest some major reforms. 
B. It is expected that some major reforms will be suggested by the report. 
C. It is expecting that some major reforms will be suggested by the report. 
D. It is expected that the report will be suggested by some major reforms. 
Câu 14: He asked his lawyer for a few advice. 
A. asked B. his C. for D. a few
Câu 15: He has lived in Da Nang since 1998, but he hasn't lived there longer as we have.
A. has lived B. since C. but D. as
Câu 16: You can see that the sun is always rising in the east.
A. can see B. the C. is always rising D. east