
hoá 12 cuối
Quiz
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Others
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12th Grade
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Practice Problem
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Hard
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102 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch nào sau đây phản ứng với dung dịch HCl dư tạo ra chất khí?
Ba(OH)2.
Na2CO3
K2SO4
Ca(NO3)2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng với dd NaHCO3 sinh ra khí CO2?
HCl
Na2SO4
K2SO4
KNO3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch Na2CO3 tác dụng được với dung dịch
NaCl
KCl
CaCl2
NaNO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng được với dung dịch KHCO3?
K2SO4
KNO3
HCl
KCl.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Natri cacbonat là hóa chất quan trọng trong công nghiệp thủy tinh, bột giặt, phẩm nhuộm, giấy, sợi. Công thức của natri cacbonat là
MgCO3
NaHCO3
Na2CO3
CaCO3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây là muối trung hòa?
HCl
NaNO3
NaHCO3
NaHSO4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Natri hiđrocacbonat là chất được dùng làm bột nở, chế thuốc giảm đau dạ dày do thừa axit Công thức của natri hiđrocacbonat là
NaOH
NaHS
NaHCO3
Na2CO3
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