
Hóa học Quiz
Authored by haha hihi
Chemistry
12th Grade
Used 1+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức tổng quát của esteno,đơnchức,mạch hở là
A.C2nH2O(n≤2)
B.CnH2nO2 (n≥2)
C.CnH2nO(n≥2)
D CnH2n-2O2 (n≤2)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Công thức của metyl axetatlà
A.CH3COOH
B.HCOOCH3
C.CH3COOC2H5
D. CH3COOCH3
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
:Este nào sau đây tác dụng với dung dịch NaOH thu được ancol etylic?
A.CH3COOC2H5
B.CH3COOC3H7
C.C2H5COOCH3
D. HCOOCH3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
:Este nào sau đây tác dụng với dung dịch NaOH thu được natri fomat?
A.C2H5COOC2H5
B.CH3COOC2H5
C.CH3COOCH3
D. HCOOCH3
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Đun nóng CH3COOC2H5 trong môi trường axit thuđược sản phẩm là
A.C2H5COOH,CH3OH
B.C2H5COOH,CH3CHO
C.CH3COOH,C2H5OH
D.CH3COOH,CH3CHO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức nào sau đây có thể là công thức của chất béo ?
A.CH3COOCH2C6H5
B.C15H31COOCH3
C.(C17H33COO)2C2H
(C17H35COO)3C3H5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhận xét nào sau đây đúng khi nói về chất béo ?
Chất béo là trieste của glixerol với axit.
Chất béo là trieste của ancol với axit béo.
Chất béo là trieste của glixerol với axit vô cơ.
Chất béo là trieste của glixerol với axit béo.
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