
HOÁ 9 - ÔN TẬP GIỮA KÌ 1 (LÝ THUYẾT)
Quiz
•
Chemistry
•
1st Grade
•
Medium
vân th
Used 2+ times
FREE Resource
48 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxit nào sau đây là oxit axit?
P2O5.
MgO.
CO.
CaO.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây tác dụng với nước ở điều kiện thường tạo ra dung dịch bazơ tương ứng?
CO2
CaO.
CuO.
P2O5.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất khí nào sau đây là nguyên nhân gây ra hiệu ứng nhà kính?
CO2.
O2.
N2.
H2.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức hoá học của sắt (III) oxit là
Fe2O3.
Fe3O4.
FeO.
Fe3O2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất gồm các oxit axit là
CO2, SO2, NO, P2O5.
CO2, SO3, Na2O, NO2.
SO2, P2O5, CO2, SO3.
H2O, CO, NO, Al2O3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy chất gồm các oxit bazơ là
CuO, NO, MgO, CaO.
CuO, CaO, MgO, Na2O.
CaO, CO2, K2O, Na2O.
K2O, FeO, P2O5, Mn2O7.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy oxit tác dụng với nước tạo ra dung dịch kiềm là
CuO, CaO, K2O, Na2O.
CaO, Na2O, K2O, BaO.
Na2O, BaO, CuO, MgO.
MgO, Fe2O3, ZnO, PbO.
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