
Hóa học
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Medium
Đài Thân
Used 3+ times
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131 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Hợp chất nào sau đây là ester?
CH₃COOH
CH₃CHO
CH₃COOCH₃
CH₃COCH₃
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Chất nào dưới đây không phải là ester?
CH₃COOCH₃
HCOOC₂H₅
HCOOC₆H₅
CH₃COOH
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ester no, đơn chức, mạch hở có công thức chung là
CnH2nO2 (n ≥ 1).
CnH2n+2O2 (n ≥ 2).
. CnH2n-2O2 (n ≥ 2).
CnH2nO2 (n ≥ 2).
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Công thức phân tử nào sau đây là của ester no, đơn chức, mạch hở?
C₄H₁₀O
C₄H₈O₂
C₄H₆O₄
C₄H₆O₂
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Chất nào sau đây là ester no, đơn chức, mạch hở?
HCOOC₂H₅
CH₃COOC₂H₅
CH₃COOCH=CH₂
(HCOO)₂C₂H₄
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ester nào sau đây được tạo thành từ carboxylic acid và alcohol tương ứng?
CH3COOC(CH3)=CH2.
CH3COOCH=CH2.
HCOOC2H5.
HCOOCH=CH2.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không phải là đồng phân của C2H4O2?
HOCH2CHO.
C2H5OH.
CH3COOH.
HCOOCH=CH2.
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