Nhóm gồm các chất khí đều khử được CuO ở nhiệt độ cao là

HOÁ CUỐI KÌ

Quiz
•
Architecture
•
10th Grade
•
Easy
Nguyễn Chi
Used 2+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2, CO2
CO, CO2
N2, CO.
C, H2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nhóm gồm các chất khí đều khử được Fe2O3 ở nhiệt độ cao là
C, CO.
CO, CO2 .
N2, CO.
Cl2, H2.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khí CO2 làm đục dung dịch nào sau đây ?
CuCl2.
Ca(OH)2.
CuSO4.
Cu(NO3)2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khí CO2 làm đục dung dịch nào sau đây ?
CuCl2.
CaSO4
CuSO4.
Ba(OH)2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các chất nào sau đây là muối trung hòa ?
Ba(HCO3)2, NaHCO3, Ca(HCO3)2
CaCO3, MgCO3, Na2CO3.
Ca(HCO3)2, Ba(HCO3)2, BaCO3.
Mg(HCO3)2, Ba(HCO3)2, CaCO3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các chất nào sau đây là muối axit ?
Ba(HCO3)2, NaHCO3, Ca(HCO3)2.
CaCO3, MgCO3, Na2CO3.
Ca(HCO3)2, Ba(HCO3)2, BaCO3.
Mg(HCO3)2, Ba(HCO3)2, CaCO3.
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dãy gồm các muối đều không tan trong nước là
CaCO3, MgCO3, Mg(HCO3)2
BaCO3, NaHCO3, Mg(HCO3)2.
Na2CO3, BaCO3, NaHCO3.
CaCO3, BaCO3, MgCO3.
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