
Hóa b1
Quiz
•
Professional Development
•
Professional Development
•
Practice Problem
•
Hard
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70 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức của este no đơn chức mạch hở là
CnH2nO
CnH2nO2
CnH2n+2O2
CnH2n-2O2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este mạch hở tạo bởi ancol no đơn chức và axit không no đơn chức (có 1 liên kết đôi C=C) có công thức chung là
CnH2n+2O2
CnH2n-2O2
CnH2nO2
CnHnO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất có công thức nào sau đây là este
C2H5OH
CH3COOC2H5
CH3COOH
CH3CHO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sao đây không phải là este
HCOOCH3
CH3COOC2H5
HCOOCH=CH2
C2H5OC2H5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este vinyl fomat có công thức là
CH3COO-CH3
HCOO-C2H5
HCOO-CH=CH2
HCOO-CH3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este etyl fomat có công thức là
CH3COOCH3
HCOOC2H5
HCOOCH=CH2
HCOOCH3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metyl acrylat có công thức cấu tạo thu gọn là
CH3COOC2H5
CH3COOCH3
C2H5COOCH3
CH2=CHCOOCH3
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