
HÓA TN THPT 2
Authored by huyen pham
Chemistry
5th Grade
Used 2+ times

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32 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có tính khử mạnh nhất
Ag
Mg
Fe
Cu
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong công nghiệp, Al được sản xuất bằng phương pháp điện phân nóng chảy hợp chất nào?
Al2O3
Al2(SO4)3
NaAlO2
AlCl3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thành phần chính của một loại thuốc giảm đau dạ dày là natri hiđrocacbonat. Công thức của natri hiđrocacbonat là
NaCl
NaNO3
Na2CO3
NaHCO3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây có tính lưỡng tính?
NaOH
NaHCO3
Na2CO3
Na2O
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại nào sau đây có số oxi hóa +2 duy nhất trong hợp chất?
Al
Fe
Mg
Na
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất X tác dụng với dung dịch HCl. Khi chất X tác dụng với dung dịch Ca(OH)2 sinh ra kết tủa. Chất X là
Ca(HCO3)2
BaCl2.
CaCO3
AlCl3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây được dùng để làm mềm nước có tính cứng vĩnh cửu?
Ba(OH)2.
NaOH
HCl
Na2CO3
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