
AXIT - BAZO - MUOI
Authored by Nga Duyên Hoàng
Chemistry
8th Grade
Used 45+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit clohiđric có công thức hóa học là
HCl
HCl2
H2Cl
HClO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit sunfuric có công thức hóa học là
H2SO3
H2SO4
HNO3
HNO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đâu là axit?
NaOH
K2SO4
HNO3
CaO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sản phẩm của phản ứng CaO + HCl là
CaCl2
CaCl2 + H2O
CaCl2 + H2
CaCl + H2O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mg + H2SO4 --> ?
MgO + H2O
MgSO4 + H2O
MgSO4 + H2
MgSO4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit làm quỳ tím đổi sang màu gì?
Màu xanh
Màu tím
Màu cam
Màu đỏ
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Điền vào chỗ trống:
HCl + ........ --> FeCl2 + H2O
Fe2O3
Fe(OH)2
Fe3O4
Fe(OH)3
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