
Hoá cuối kì
Authored by Tung Pham
Chemistry
12th Grade
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42 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Công thức tổng quát của este tạo bởi axit no đơn chức, mạch hở và ancol no, đơn chức, mạch hở có dạng
CnH2n-2O2 (n ≥ 3).
B. CnH2nO2 (n ≥ 2).
C. CnH2nO2 (n ≥ 3).
D. CnH2n-2O2 (n ≥ 4).
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Chất nào sau đây là este?
A. CH3COOH.
B. CH3COONa.
C. C3H5(OH)3.
D. CH3COOCH3.
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Axit nào sau đây không phải là axit béo:
A. axit strearic.
B. Axit oleic.
C. Axit panmitic.
D. Axit axetic.
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Este có CTPT C3H6O2 có số đồng phân là:
A. 4
B. 5
C. 3
D.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Phenyl axetat là tên gọi của hợp chất nào sau đây ?
A. CH3COOC6H5
B. CH2=CH-COOCH3
C. C2H5COOCH3
D. CH3COOCH=CH2.
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Hợp chất X có CTPT C4H8O2. Khi thủy phân X trong dd NaOH thu được muối C2H3O2Na. CTCT của X là:
A. HCOOC3H7.
B. C2H5COOCH3.
C. CH3COOC2H5
D. C3H7COOH.
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Chất nào sau đây là thành phần chính của bông nõn?
A. Saccarozơ.
B. Xenlulozơ.
C. Glucozơ.
D. Tinhbột.
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