
Ôn tập Hóa 8 số 9
Authored by Nguyễn Long
Chemistry
8th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là oxit?
NaCl
CaCO3
Al2O3
H2SO4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Axit clohiđric có công thức hóa học là
HCl
HNO3
H2SO4
NaCl
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là bazơ?
H2SO3
KHCO3
CaO
NaOH
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất Fe(OH)3 có tên là
sắt hiđroxit
sắt (II) hiđroxit
sắt (III) hiđroxit
sắt (III) oxit
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của axit photphoric là
H3PO4
HNO3
H2SO3
Na3PO4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của natri clorua là
NaNO3
Na2CO3
HCl
NaCl
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là muối?
CO2
Mg(OH)2
H2S
Al(NO3)3
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