
Ôn tập học kì I hóa 9
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Phương Nguyễn
Used 6+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dãy chất gồm các oxit bazơ:
NO, CuO, MgO, CaO.
CuO, CaO, MgO, Na2O.
CO2, CaO, K2O, Na2O.
P2O5, K2O, FeO, Fe2O3.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất tác dụng với nước tạo ra dung dịch axit là
Ag2O
CuO
P2O5.
CaO
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dãy oxit tác dụng với dung dịch natri hiđroxit là:
CuO, Fe2O3, SO2, CO2.
CaO, CuO, CO, N2O5.
CO2, SO2, P2O5, SO3.
SO2, MgO, CuO, Ag2O.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cặp chất tác dụng với nhau tạo ra muối natri sunfit là:
NaOH và CO2.
Na2O và SO3.
NaOH và SO3.
D. NaOH và SO2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phản ứng xảy ra vừa đủ giữa dung dịch Ba(OH)2 và dung dịch H2SO4 thuộc loại
phản ứng trung hoà.
Phản ứng thế
Phản ứng hóa hợp
phản ứng oxi hoá – khử.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nhóm chất tác dụng với nước và với dung dịch HCl là:
Na2O, SO3, CO2
K2O, P2O5, CaO.
BaO, SO3, P2O5.
CaO, BaO, Na2O.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Thuốc thử dùng để nhận biết dung dịch HCl và dung dịch H2SO4 là
K2SO4.
Ba(OH)2.
NaCl
NaNO3.
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