
ĐỀ 3_KT 90P CHE 11
Authored by Lê DN)
Chemistry
10th Grade
Used 5+ 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 là hợp chất hữu cơ?
KOH.
C2H2.
NaCl.
H2SO4.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là hiđrocacbon?
C2H4O2.
C3H4.
C2H6O.
C4H8Cl2.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các công thức dưới đây, công thức nào là công thức cấu tạo thu gọn?
(1) CH3 – CH2 – CH2 – CH3 (3) C4H6
(2) C2H6 (4) CH2 = CH – CH = CH2
(1), (4).
(3), (4).
(1), (3).
(2), (3).
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các công thức dưới đây, công thức nào chứa liên kết ba?
(1) CH3 – CH2 – OH (3) CH2 = CH – CH3
(2) CH3 – CH2 – CH3 (4) CH ≡ C – CH3
(1).
(2).
(3).
(4).
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các hợp chất sau: Na2CO3, CO, CH4, C2H6, CO2, KCl, C5H8, C2H6O, C3H9N.
Có bao nhiêu hợp chất không phải là hợp chất hữu cơ?
3.
4.
5.
6.
6.
LABELLING QUESTION
1 min • 1 pt
Trả lời câu hỏi bên
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong phân tích nguyên tố, người ta thường xác định C thông qua sản phẩm nào?
CO2.
H2O.
N2.
CO
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