
ĐỀ 2_90 PHÚT_CHE 11
Authored by Lê DN)
Chemistry
10th Grade
Used 6+ times

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49 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các hợp chất sau, hợp chất nào không phải là hợp chất hữu cơ?
CCl4.
CH3COONa.
NaCl.
C6H6.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là hiđrocacbon?
C3H6O.
C2H4O2.
C4H4.
C4H8Cl2.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các công thức dưới đây, công thức nào là công thức phân tử?
(1) CH ≡ C – CH2 – CH3 (3) C3H9N
(2) C2H6 (4) CH2 = CH2
(1), (4).
(3), (4).
(1), (3).
(2), (3).
4.
LABELLING QUESTION
1 min • 1 pt
Trong các công thức dưới đây, công thức nào chỉ chứa liên kết đơn?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các hợp chất sau: NaHCO3, CO, CH4, C2H6, KCN, C2H4, K2CO3, C2H6O, C3H9N. Có bao nhiêu hợp chất hữu cơ?
3.
4.
5.
. 6.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất X có công thức đơn giản nhất CH2O. Công thức nào sau đây là công thức phân tử của X?
CH4O.
C2H2O4.
C4H4O2.
C6H12O6.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cặp chất nào là đồng phân của nhau?
(1) CH2 = CH – CH3 và CH2 = CH – CH2 – CH3
(2) CH3 – CH3 và CH3 – CH2 – CH3
(3) CH3 – O – CH3 và CH3 – CH2 – OH
(4) CH3 – CH2 – CH2 – CH3 và CH3 – CH2 – CH3
(1).
(2).
(3).
(4).
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