
CHE11_90_THI THỬ
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
thanh Hà
Used 2+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Trong các hợp chất sau, hợp chất nào là hợp chất hữu cơ ?
A. C6H10. B. CaC2. C. HNO2. D. KBr.
D
C
A
B
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất nào sau đây là hiđrocacbon ?
A. CH2O B. C2H5Br C. C6H6 D. CH3COOH
B
A
D
C
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Trong các công thức cho dưới đây, công thức nào là công thức phân tử?
(1) C4H4
(2) C2H4
(3) CH2 =CH – CH2 – CH3
(4) C3H6
(5) CH3 – CH = CH - CH3
A. (1), (5). B. (3), (5). C. (1), (2), (4). D. (2), (3), (5).
B
C
A
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các công thức dưới đây, công thức nào là anken ?
(1) CH3 –OH (4) CH2 = CH – CH3
(2) CH3 –CH3 (5) CH3 –CH2 – CH =CH2
(3)
A. (1), (5). B. (1), (3), (5). C. (1), (2), (4). D. (4), (5).
A
D
C
B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các công thức sau : (NH4)2CO3, CO2, C2H6, C2H4, CH4, C2H6O, C3H9N, K2CO3. Số lượng công thức là hợp chất hữu cơ là
A. 9. B. 7. C. 5. D. 6.
A
D
B
C
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Chất X có công thức phân tử C12H22O11. Công thức nào sau đây là công thức đơn giản nhất của chất X?
A. CH2O. B. C12H22O11. C. C2H4O. D. CH3O.
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các chất sau, chất nào là đồng đẳng của nhau ?
(I) CH3 – CH = CH2 (II) CH2 = CH – CH2 – CH3
(III) CH ≡ C – CH3 (IV) CH3 – CH2 - CH3
A. I, III B. III, IV C. II, III, IV D. I, II
C
B
A
D
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