III. ERROR RECOGNITION (0.75 point / 0.25 each)
Choose the underlined word/ phrase (A, B, C or D) that needs correcting.
14. Why didn‟t you came to my party last night?
 A B C D
15. Furniture makers use glue to hold joints together and sometimes to reinforce it.
 A B C D
16. When did you go last to the theater?
 A B C D

II. GRAMMAR AND STRUCTURE (2.5 points / 0.25 each)
Choose the best option (A, B, C, or D) to complete each of the following sentences.
4. You should have a dictionary to _______ the words that you don‟t know their meanings.
A. look for B. look up C. look into D. look after
5. Mrs. Mc Cathy lives in a small flat _______ having a lot of money in the bank.
A. although B. in spite C. despite D. even
6. His car_______ when he was only half way home.
A. broke down B. got down C. broke over D. got over
7. _____ to the Internet, we can get the latest information around the world.
A. Together B. Apart C. In addition D. Thanks
8. _______ , the chess players began the game.
A. Having taken the seats B. After we had taken our seats
C. Being taken the seats D. Taking the seats
9. My mother always keeps candles in the room _______ the lights go out.
A. unless B. if C. in case D. though
10. He works for a car factory_______ main office is in Chicago.
A. which B. where C. that D. of which
11. The new shopping plaza is advertised as a place _______ you can find anything you want to
buy.
A. where B. which C. from where D. that
12. The plane was half an hour late. _______ I managed to come to the meeting in time.
A. In spite B. Despite C. In spite of this D. All are correct
13. The letter was delivered _______ it didn‟t have enough postage.
A. as B. because C. since D. although

Hấp thụ hoàn toàn 0,2 mol CO2 vào dung dịch chứa 0,12 mol Ca(OH)2 Sau khi phản ứng xảy ra hoàn toàn thu được m gam kết tủa, tính giá trị của m.

Hấp thụ hoàn toàn 0,15 mol CO2 vào dung dịch chứa 0,2 mol Ca(OH)2 Sau khi phản ứng xảy ra hoàn toàn thu được m gam kết tủa, tính giá trị của m.

Hấp thụ hoàn toàn 0,15 mol CO2 vào dung dịch chứa 0,2 mol Na(OH)2 Sau khi phản ứng xảy ra hoàn toàn thu được m gam kết tủa, tính giá trị của m.

Hấp thụ hoàn toàn 0,15 mol CO₂ vào dung dịch chứa 0,2 mol Na(OH)2 Sau khi phản ứng xảy ra hoàn toàn thu được m gam kết tủa và dung dịch thu được a(g). Tính giá trị của m và a.

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