Hoà Bài 11
Authored by Tiên Cẩm
Science
5th Grade
Used 1+ times
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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1: Trong phân tử hợp chất hữu cơ, nguyên tử C có hóa trị là
A. 1.
B. 2.
C. 3.
D.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Trong phân tử hợp chất hữu cơ, nguyên tử N có hóa trị là
A. 1.
B. 2.
C. 3.
D.4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3: Trong phân tử hợp chất hữu cơ, nguyên tử O có hóa trị là
A. 1.
B. 2.
C. 3.
D.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: Trong phân tử hợp chất hữu cơ, nguyên tử H, Cl có hóa trị là
A. 1.
B. 2.
C. 3.
D.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Công thức nào dưới đây là công thức cấu tạo?
A. HOCH2CH2OH.
B. C2H6O2.
C. CH3O.
D. CnH3nOn.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6: Công thức thu gọn nào sau đây tương ứng với công thức phân tử C3H4O2?
A. CH3COOCH3.
B. CH2=CHCOOH.
C. HCOOCH2CH3.
D. CH≡CCOOH.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7: Theo thuyết cấu tạo hóa học, công thức cấu tạo nào sau đây không đúng?
A. CH3CH=O.
B. CH3OCH2CH3.
C. CH3CH(CH3)3CH3.
D. CH3Cl.
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