Ôn HK2 - Hóa 8
Authored by Quy Nguyen
Chemistry
KG
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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
HCl đây là axit nào ?
axit cloric
axit sunfuric
axit clohidric
axit sunfuhidric
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Chất nào sau đây không là muối?
BaCO3
KNO3
Ba(OH)2
Na2CO3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
. Dãy chất nào sau đây gồm toàn axit?
HCl, HNO3, H3PO4, HNO3.
NaCl, KNO3, CaCO3, Na2SO4.
H2SO4, Na2SO4, NaOH, HCl.
H2SO4, Na2SO4, NaCl, KOH
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Câu 8. Axit sunfuric có công thức hoá học là
SO3.
H2S.
H2SO3.
H2SO4.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Natri clorua có công thức hóa học là
NaCl
NaCl2
Na2Cl
Na2Cl3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sắt (III) sunfat có công thức hóa học là
Fe2(SO4)3
FeSO4
FeS
FeSO3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hợp chất nào sau đây là bazơ?
KOH
H2SO4
K2SO4
Na2O
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