1. . In H2O2 the oxidation number of oxygen is
(A) 1
(B) 2
(C) 1/2
(D) +2
2. . In Oxidation removal of ______ takes place
(A) H2
(B) CO2
(C) O2
(D) SO2
3. . In reduction the addition of ______ takes place
(A) CO2
(B) H2
(C) O2
(D) SO2
4. . CaO is an example of
(A) Sub oxide
(B) Superoxide
(C) Peroxide
(D) Normal oxide
5. . Na2O2 is an example of
(A) Peroxide
(B) Superoxide
(C) Sub oxide
(D) Normal oxide
6. . H2O2 is an example of
(A) Acidic oxide
(B) Amphoteric oxide
(C) Basic oxide
(D) Normal oxide
7. . In superoxide the oxidation number of oxygen is
(A) 1/2
(B) 1/4
(C) 1
(D) 2
8. . C3O2 is an example of
(A) Normal oxide
(B) Peroxide
(C) Sub oxide
(D) Amphoteric oxide
9. . Which one is oxidizing agent?
(A) H
(B) S
(C) Al
(D) I2
10. . Which one is reducing agent?
(A) H2O2
(B) O3
(C) O3
(D) SO2
11. . ZnO and Al2O3 are example of
(A) Acidic oxide
(B) Basic oxide
(C) Neutral oxide
(D) Amphoteric oxide
12. . Which one is not peroxide?
(A) BaO2
(B) H2O2
(C) Na2O2
(D) CaO
13. . Which one is normal oxide?
(A) K2O
(B) H2O2
(C) Na2O2
(D) BaO2
14. . Which one is neutral oxide?
(A) K2O
(B) CO2
(C) CaO
(D) N2O
15. . Which one is not basic oxide?
(A) CO2
(B) CaO
(C) MgO
(D) K2O
16. . H2O2 is a strong
(A) Oxidizing agent
(B) Reducing agent
(C) Acid
(D) Base
17. . Which oxide is not acidic?
(A) N2O
(B) CO2
(C) SO2
(D) P2O5
18. . The formula of normal oxide is
(A) CO2
(B) C3O4
(C) C3O2
(D) C4O3
19. . ZnO is an example of
(A) Neutral oxide
(B) Acidic oxide
(C) Basic oxide
(D) Amphoteric oxide
20. . KMnO4 is an
(A) Reducing agent
(B) Acid
(C) Oxidizing agent
(D) Base