
ÔN TẬP LÝ THUYẾT BUỔI 5
Authored by Thanh Lữ
Chemistry
12th Grade
Used 4+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Canxi sunfat là thành phần chính của thạch cao. Công thức của canxi sunfat là
A. B. C. D.
CaSO3.
CaCl2.
Ca(OH)2.
CaSO4.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ở điều kiện thường, chất nào sau đây làm mất màu dung dịch Br2
Alanin.
Anilin.
Metyl axetat.
Tripanmitin.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kim loại nào sau đây có tính khử yếu nhất
A. Cu. B. Al. C. Na. D. Mg.
Cu
Al
Mg
Na
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kim loại nào sau đây được điều chế bằng phương pháp điện phân dung dịch
Na
K
Cu
Ba
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chất nào sau đây không phản ứng với Cu(OH)2 cho hợp chất màu tím
Gly-Ala.
Ala-Gly-Val.
Val-Ala-Gly.
Gly-Ala-Gly.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chất nào sau đây tác dụng với dung dịch NaOH loãng sinh ra khí H2
A. B. Al. C. Cu. D. Fe.
Al(OH)3.
Cu
Al
Fe
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chất nào sau đây được dùng để làm mềm nước cứng có tính cứng tạm thời
KCl.
NaNO3.
K3PO4.
HNO3.
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