
Cái l má
Authored by Đỗ Hoàng
Chemistry
1st - 5th Grade
Used 6+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metyl axetat có công thức là
A. CH3COOC2H5.
B. HCOOCH3.
C. HCOOC2H5.
D. CH3COOCH3.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là chất béo
Tripanmitin
Etyl axetet
Etyl fomat
Etyl aceylat
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este CH3COOC2H5 có tên gọi là?
Metyl axelat
Vinyl fomat
Etyl fomat
metyl acrylat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Saccarozơ có nhiều trong cây mía, công thức phân tử của saccarozơ là
A. C6H12O6.
B. C12H22O11.
C. (C6H10O5)n.
D. C12H24O11.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây thuộc loại polisaccarit?
Glucozơ
Saccarozơ
Sobitol
Xenlulozơ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch chất nào sau đây làm quỳ tím chuyển thành màu xanh
C2H5OH
CH3NH2
CH3COOH
CH3OH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là tripeptit
Ala-ala-gly
Ala-gly
Ala-ala
Gly-ala-gly-ala
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