
KIỂM TRA ÔN TẬP LỚP 12A5 TUẦN 5
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Easy
Long Đặng
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este nào sau đây có mùi chuối chín?
Etyl fomat
Benzyl axetat
Isoamyl axetat
Etyl butirat
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất béo là trieste của axit béo với
ancol etylic.
glixerol.
ancol metylic.
etylen glicol.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este C2H5COOC2H5 có tên gọi là
etyl fomat.
vinyl propionat.
etyl propionat.
etyl axetat.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất béo tripanmitin có công thức là
(C17H35COO)3C3H5.
(C17H33COO)3C3H5.
(C15H31COO)3C3H5.
(C17H31COO)3C3H5.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên gọi của CH3CH2COOCH3 là
metyl propionat
propyl axetat
etyl axetat
metyl axetat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đun nóng este HCOOCH3 với một lương vừa đủ dung dịch NaOH sản phẩm thu được là
CH3COONa và CH3OH
HCOONa và CH3OH
HCOONa và C2H5OH
CH3COONa và C2H5OH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các este sau: etyl fomat (1); vinyl axetat (2); triolein (3); metyl acrylat (4); phenyl axetat (5). Dãy gồm các este đều phản ứng được với dung dịch NaOH dư, đun nóng sinh ra ancol là
(1), (2), (3).
(2), (3), (5).
(1), (3), (4).
(3), (4), (5)
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