60 cau trac nghiem lop 12

... tan hết trong nước tạo ra dung dịch Y và thoát ra 0 ,12 mol hidro. Thể tích dung dịch H 2 SO 4 0,5M cần trung hoà dung dịch Y là: A. 120 ml B. 60 ml C. 1,20 lit D. 240 ml 51. Dung dịch chứa các ... của este đó là : A. HCOOC 2 H 5 B. CH 3 COOCH 3 C. HCOOC 3 H 7 D. C 2 H 5 COOCH 3 12. Các chất Glucozơ (C 6 H 12 O 6 ), fomandehit (HCHO), axetandehit CH 3 CHO, Fomiatmetyl (H-COOCH 3 ), phâ...

Ngày tải lên: 29/06/2013, 01:26

... Unit 9: 60 câu hỏi trắc nghiệm lớp 12 1. Pick out the word which has the underlined part pronounced differently from ... as Charles Dickens, and Jack London had to _______ school because of poverty. a. quit b. fire c. sack d. dismiss 7. The thief was caught by the policemen and he was trembling with __________ ... She is __________ with her present job. a. satisfy b. satisfied c. satisfac...

Ngày tải lên: 28/09/2013, 14:10

... purulent 60. I'll tell you some ____________ for removing stains cause by coffee. a. tips b. words c. treats d. cheats Key: 1. d 2. b 3. c 4. b 5. a 6. b 7. a 8. b 9. a 10. b 11. c 12. a 13. ... He was very unhappy __________ his father's illness. a. although b. in spite of c. because d. because of 50. Pick out the word which has the underlined part pronounced differently from the...

Ngày tải lên: 28/09/2013, 14:10

Ngày tải lên: 24/10/2013, 14:15

... Unit 10: 60 câu hỏi trắc nghiệm lớp 12 P3 51. Pick out the word which has the underlined part pronounced differently ... differently from the rest a. purpose b. purify c. pure d. purulent 60. I'll tell you some ____________ for removing stains cause by coffee. a. tips b. words c. treats d. cheats Key: ... treats d. cheats Key: 1. d 2. b 3. c 4. b 5. a...

Ngày tải lên: 28/10/2013, 21:15