
ÔN THI TNTHPT QG 3
Authored by Lienhoa tran
Chemistry
1st Grade - Professional Development
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33 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Axit panmitic là một axit béo có trong mỡ động vật và dầu cọ. Công thức của axit panmitic là
C3H5(OH)3.
CH3COOH.
C15H31COOH.
C17H35 COOH.
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Chất nào sau đây là axit béo?
Axit panmitic.
Axit axetic.
Axit fomic.
Axit propionic.
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Chất béo là trieste của axit béo với
ancol metylic.
etylen glicol.
ancol etylic.
glixerol.
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Chất không phải axit béo là
axit axetic.
axit stearic.
axit oleic.
axit panmitic.
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Công thức axit stearic là
C2H5COOH.
CH3COOH.
C17H35COOH.
HCOOH.
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Công thức của triolein là
(HCOO)3C3H5.
(C17H33COO)3C3H5.
(C2H5COO)3C3H5.
(CH3COO)3C3H5.
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Thuỷ phân tripanmitin có công thức (C15H31COO)3C3H5 trong dung dịch NaOH thu được glixerol và muối X. Công thức của X là
C15H31COONa.
C17H33COONa.
HCOONa.
CH3COONa.
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