
Ôn tập cuối kỳ 9
Authored by Thuy Tran
Chemistry
9th Grade
Used 4+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất tác dụng với nước tạo ra dung dịch bazơ là:
CO2,
Na2O.
SO2,
P2O5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất tác dụng với nước tạo ra dung dịch axit là
P2O5.
K2O.
CuO.
CaO.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất khí nào sau đây là nguyên nhân gây ra hiệu ứng nhà kính ?
H2.
N2
O2
CO2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxit được dùng làm chất hút ẩm ( chất làm khô ) trong phòng thí nghiệm là:
CaO
ZnO
PbO
CuO
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Để loại bỏ khí CO2 có lẫn trong hỗn hợp (O2 , CO2) , người ta cho hỗn hợp đi qua dung dịch chứa:
NaCl
Ca(OH)2
Na2SO4
HCl
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các kim loại tác dụng được với dung dịch H2SO4 loãng là:
Zn, Fe, Al.
Fe, Cu, Mg.
Fe, Zn, Ag
Zn, Fe, Cu.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy oxit tác dụng với dung dịch HCl tạo thành muối và nước là:
CO2, SO2, CuO.
SO2, Na2O, CaO.
CuO, Na2O, CaO.
CaO, SO2, CuO.
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