
Đề 007
Authored by Linh Lê
Chemistry
9th - 12th Grade
Used 76+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este etyl axetat có công thức là
CH3CHO
CH3COOH
CH3CH2OH
CH3COOC2H5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Polime có cấu trúc mạng không gian (mạng lưới) là
Cao su lưu hoá
amilopectin
polietilen
Poli(vinylclorua)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào sau đây crom có số oxi hóa +3?
Cr(OH)3
Cr(OH)2
CrO
K2CrO4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại tan hoàn toàn trong nước (dư) ở nhiệt độ thường là
Cu
Zn
K
Fe
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khi thuỷ phân chất béo trong môi trường kiềm thì thu được muối của axit béo và....
este đơn chức
phenol
ancol đơn chức
glixerol
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit amino axetic tác dụng được với dung dịch
NaCl
NaNO3
HCl
Na2SO4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Amin nào sau đây là amin bậc I?
CH3NHC2H5
C6H5NH2.
(CH3)2NH.
(CH3)3N.
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