
DC hóa
Quiz
•
English
•
5th Grade
•
Practice Problem
•
Easy
Tra Cao
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39 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất nào sau đây chỉ gồm các oxit?
MgO,Ba(OH)2,CaSO4,HCl
SO2,CO2,NaOH,CaSO4
MgO,CaO,CuO,FeO
CaO,Ba(OH)2,MgSO4,BaO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của vôi sống là
CO2
CaCO2
CaO
SO2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hóa học của khí sunfurơ
SO3
BaCO3
SO2
ZnO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất nào dưới đây gồm các chất có phản ứng với SO2?
NaCl,KOH,H2O
KOH,Na2O,H2O
CuO,KOH,H2O
Cu(OH)2,Na2O,NaCl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất nào dưới đây đều gồm các chất phản ứng được với nước?
CuO,MgO
SO2,BaO
NaCl,NaNO3
KOH,KCl
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sản phẩm thu được khi cho Fe2O3 phản ứng với dd HCl là
FeCl2 và H2O
FeCl3 và H2O
FeCl2 và FeCl3
FeCl2,FeCl3 và H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các oxit cho dưới đây, oxit nào tác dụng được với dung dịch bazow ở điều kiện thường ?
MgO
CO2
CuO
CO
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