Oxit
8th Grade
•20 Qs
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Oxit
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Mai Heo
Used 168+ times
FREE Resource
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy nào sau đây mà tất cả các chất đều là oxit:
CaO, CaC2, NO
Na2O, P2O5, H2O
CO2, SO3, NH3
CaCO3, MgO, Al2O3
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho các oxit sau: SO3, NO, Na2O, P2O5, MgO, CO2, CuO. Có bao nhiêu là oxit bazơ:
5
3
2
4
5.
MULTIPLE CHOICE QUESTION
1 min • 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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho các oxit sau: K2O, SO3, Na2O, P2O5, MgO, N2O5, CO2, CuO, Fe2O3. Có bao nhiêu là oxit axit:
3
2
4
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CaO có bazơ tương ứng là:
CaOH
Ca2OH
Ca(OH)2
Ca(OH)3
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