kiem tra lop 12 lan 2
... NH 2 CH 2 COOH, ClNH 3 CH 2 COOCH 3 , C 6 H 5 NH 2, Br 3 C 6 H 2 NH 2 . Chất tan nhiều nhất trong nớc là: A. NH 2 CH 2 COOH. B. C 6 H 5 NH 2 . C. ClNH 3 CH 2 COOCH 3 . D. Br 3 C 6 H 2 NH 2 . Câu ... phn ng trựng ngng A. HOOC-(CH 2 ) 2 -CH(NH 2 )-COOH. B. HOOC-(CH 2 ) 4 -COOH v HO-(CH 2 ) 2 -OH. C. HOOC-(CH 2 ) 4 -COOH v H 2 N-(CH 2 ) 6 -NH 2 . D...
Ngày tải lên: 17/10/2013, 01:11
kiem tra lop 10 lan 2
... là: A: 1s 2 2s 2 2p 6 B.: 1s 2 2s 2 2p 6 3s 2 3p 6 C. 1s 2 2s 2 2p 6 3s 2 D: 1s 2 2s 2 2p 6 3s 2 3p 4 Câu 6 : Số nguyên tố trong chu kì 3 và 4 bằng: A. 8, 32 B. 8, 18 C. 8, 16. . D. 2, 8. Câu ... của1nguyên tố với hiđrô có dạng RH 2 . trong oxit cao nhất oxi chiếm60% về khối lượng. Xác định R? (Cho P=31,N=14,O=16,H=1,S= 32, Cl=35,5; Ca=40; Mg =24 ; Ba = 127 ; Sr=88,...
Ngày tải lên: 14/10/2013, 07:11
Kiem Tra 45'' lop 12 lan 2
... (10)……… a plot of land (11)……..children work for a few hours each day. They ( 12) ………vegetable, which they weed and water and later they (13)…… the crop. In this (14)…. they develop good working ... show up 22 , Do you happen to know the season……his failure in the final exam? A, of B, because C, why D, for 23 , The book is ………….into six sections. A, made B, written C, consist D, divided 2...
Ngày tải lên: 31/05/2013, 00:22
... Tran Quy Cap Senior High School THE 2 nd ENGLISH TEST FOR THE SECOND TERM Full name: ...................................................... Class: 12/ …… School-year: 20 08 -20 09 (code 022 ) I. ... rice cakes, and neither does Maria. 22 . Many species of animals and plants are now in …………… of extinction. A. danger B. dangerous C. dangerously D. endanger 23 . The soup was too hot for u...
Ngày tải lên: 03/08/2013, 01:28
... mol CO 2; 0,5 mol H 2 O và 0,1 mol N 2 . X có CTCT là: A. H 2 NCH 2 CH 2 COOH hoặc CH 3 CH(NH 2 )COOH B. H 2 NCH = CHCOOH hoặc CH 2 = C(NH 2 )COOH C. H 2 NCH 2 COOH D. H 2 NCH 2 CH(NH 2 )COOH. ... 4, 425 gam muối. CTPT của 2 amin là: A. CH 3 NH 2 và C 2 H 5 NH 2 B. C 2 H 5 NH 2 và C 3 H 7 NH 2 C. C 3 H 7 NH 2 và C 4 H 9 NH 2 D. C 4 H 9 NH 2 và...
Ngày tải lên: 10/10/2013, 22:11
kiem tra 1 tiet lop 12 lan 2
... OH(CHOH) 4 CH 2 OH, (2) CH 2 OH(CHOH) 4 CHO, (3) CH 2 OH(CHOH) 2- CO-CH 2 OH, (4) CH 2 OH-CO(CHOH) 3 CH 2 OH, (5) CH 2 OH(CHOH) 3 CHO A). 1, 3, 4 B). 2, 4 C). 2, 4, 5 D). 1, 3 26 ). Cho m(g) glucozơ ... 1850 28 ). Đốt hoàn toàn 8,1g cacbohiđrat X được 6, 72 lit CO 2 (đktc) và 4,5g H 2 O. Công thức đơn giản của cacbohiđrat là A). C 6 H 12 O 6 B). CH 2 O C). C 6 H 1...
Ngày tải lên: 14/10/2013, 07:11
Kiểm Tra 1 tiết lần 2 HKII ( Lớp 10)
... schools six days a week. A B C D 20 ). I would rather watch detective films to horror films. A B C D 21 ). If I were you, I didn't buy that old building. A B C D 22 ). Last night when they come, ... station?" - 5 minutes. A B C D 20 ). Last night when they come, we were having tea in the kitchen. A B C D 21 ). If I were you, I didn't buy that old building. A B C D 22 ). J...
Ngày tải lên: 29/06/2013, 01:26
Kiểm Tra 1 tiết lần 2 kỳ 2 lop 10 ban cơ bản
... Tran Quy Cap Senior High School TEST ON ENGLISH Class: 10/...... Time: 45 minutes 122 Full name :........................................ ... goats. II. Language focus 11. If we had gone by bike, we............................................ carsick. A. wouldn’t get B. wouldn’t have getC. wouldn’t have gotD. will not get 12. Rainforests ... you paint D. you will paint 22 . Well, then we...
Ngày tải lên: 03/08/2013, 01:28
KIEM TRA 1 TIET LAN 2. TA 12. BAI 4,5,6
... the train. A. If he hurried, he wouldn't miss the train. B. If he had hurried, he could have caught the train. C. If he had hurried, he might catch the train. D. He didn't miss the train ... So (20 ) ___________ neatly, but comfortably. Make (21 ) ______________ that you can deal with anything you are (22 ) _______________ . Prepare for questions that are certain to come up, (23 )...
Ngày tải lên: 10/10/2013, 09:11
de kiem tra 1 tiet lan 2 hk2 lop 9 (07-08).doc
... please? ………………………………………………………………………………………………… THE FORTY-FIVE- MINUTE TEST (2) I.Choose the right words to fill the blank(2pts) 1/ The car ______ she has just bought is very modern.( who/ whose/ whom/ which) 2/ Before you go to bed, please ... END_______________ THE KEYS (1) I. 0 ,25 / a sentence 1.after 2. However 3.which 4. Although 5. off 6. who 7. funnel 8. from II. 0,5/ a sentence 1...
Ngày tải lên: 22/10/2013, 02:11