oxit hóa 8
Quiz
•
Chemistry
•
8th - 9th Grade
•
Hard
Ngân Kim
Used 48+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các chất có CTHH sau: CO2, Na2O, HNO3, CaO, BaCO3, Fe3O4, HCl, NaHSO4. Có bao nhiêu hợp chất là oxit:
3
5
4
6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy nào sau đây mà tất cả các oxit đều là oxit bazơ:
CaO, SO3, NO
Na2O, P2O5, H2O
CO2, SO3, CuO
K2O, MgO, Fe2O3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy nào sau đây mà tất cả các oxit đều là oxit axit:
CaO, SO3, NO
CO2, P2O5, SO2
CO2, SO3, CuO
K2O, MgO, Fe2O3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CaO có bazơ tương ứng là:
CaOH
Ca2OH
Ca(OH)2
Ca(OH)3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SO3 có axit tương ứng là:
H2S
H2SO3
H2SO4
HSO4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CO2 có tên là:
A. Cacbon oxit
B. Cacbonic
C. Cacbon đioxit
D. Cả B,C đều đúng
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxit được chia làm mấy loại?
2
3
4
5
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