Hóa 9-Oxit
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Hard
Nguyễn Huyền
Used 172+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Trong các oxit sau đây, oxit nào là oxit bazơ?
SO2
P2O5
CO2
Na2O
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Hai oxit tác dụng với nhau tạo thành muối là
K2O và NO
Fe2O3 và SO3
MgO và CO
CO2 và BaO
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Oxit vừa tác dụng với nước, vừa tác dụng với dung dịch axit là:
CuO
CaO
N2O5
Al2O3
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Khi cho Na2O vào nước ta thu được
dung dịch Na2O
dung dịch NaCl
dung dịch NaOH
dung dịch Na2CO3
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dãy oxit nào sau đây đều tác dụng được với dung dịch KOH?
K2O, CuO
CO2, SO3
Na2O, CO2
Fe2O3, SO2
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Để điều chế CaO người ta thường dùng hóa chất nào sau đây?
Ca(OH)2
CaCl2
CaSO4
CaCO3
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Dùng hóa chất nào sau đây để hút ẩm trong phòng thí nghiệm
CaO
Fe2O3
CuO
Al2O3
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