
ĐỀ SỐ 04
Authored by Phương Nguyễn
Chemistry
12th Grade
Used 1+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong những cặp chất sau đây, cặp chất nào là đồng phân của nhau?
C2H5OH, CH3OCH3.
CH3OCH3, CH3CHO.
CH3OCH3, CH3CHO.
C4H10, C6H6.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đun nóng este HCOOCH3 với một lượng vừa đủ dung dịch NaOH, sản phẩm thu được là
CH3COONa và CH3OH.
HCOONa và CH3OH.
HCOONa và C2H5OH.
CH3COONa và C2H5OH.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây thuộc loại chất điện li mạnh?
A
H2O.
H2S.
CO2.
NaOH.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Natri hiđroxit (còn gọi là xút ăn da) có công thức hóa học là
Na2CO3.
Na2SO4.
NaOH.
NaHCO3.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch chất nào sau đây làm quỳ tím hóa đỏ?
KOH.
NaCl.
HCl.
K2SO4.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây thuộc loại amin bậc 1?
C2H5-NH2.
CH3-NH-C2H5.
CH3-NH-CH3.
(CH3)3N.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tên gọi của CH3CH2COOCH3 là
etyl axetat.
etyl axetat.
metyl propionat.
propyl axetat.
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