
Hoá 9
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Bin Nguyn
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26 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxit bazo nào sau đây được dùng để làm khô nhiều nhất ?
A. ZnO
B. CuO
C. FeO
D. CaO
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây không phải là oxit axit?
A. CO
B. P2O5
C. SO2
D. N2O5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất tác dụng với nước tạo ra dung dịch bazơ là:
A. SO2
B. P2O5
C. Na2O
D. CO2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phản ứng nào dưới đây là phản ứng trao đổi?
BaCl2+H2SO4=>BaSO4+2HCl
B. Zn+H2SO4=>ZnSO4+H2
C. 2Na+2H2O=>2NaOH+H2
D. BaO+H2O=>Ba(OH)2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dung dịch kiềm không có những tính chất hoá học nào sau đây?
A. Tác dụng với axit
B. Bị nhiệt phân huỷ tạo thành oxit bazo
C. Làm quỳ tím chuyển sang màu xanh
D. Tác dụng với dung dịch oxit axit
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho dung dịch axit sunfuric loãng tác dụng với muối natrisunfit(Na2SO3) Chất khí nào sinh ra?
A. Khí oxi
B. Khí hidro sunfua
C. Khí lưu huỳnh dioxit
D. Khí hidro
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các kim loại tác dụng được với dung dịch H2SO4 loãng?
A. Fe,Cu,Al
B. Al,Mg,Zn
Zn,Cu,Mg
Ag,Fe,Mg
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