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) CO2
(B) SO2
(C) O2
(D) H2
3. In reduction the addition of ——-takes place
(A) H2
(B) CO2
(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) Normal oxide
(B) Peroxide
(C) Sub oxide
(D) Superoxide
6. H2O2 is an example of
(A) Amphoteric oxide
(B) Normal oxide
(C) Basic oxide
(D) Acidic oxide
7. In super oxide the oxidation number of oxygen is
(A) 1
(B) 1/4
(C) 1/2
(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) Al
(B) S
(C) I2
(D) H
10. Which one is reducing agent?
(A) H2O2
(B) O3
(C) SO2
(D) O3
11. ZnO and Al2O3 are example of
(A) Amphoteric oxide
(B) Basic oxide
(C) Acidic oxide
(D) Neutral oxide
12. Which one is not per oxide?
(A) Na2O2
(B) H2O2
(C) CaO
(D) BaO2
13. Which one is normal oxide?
(A) K2O
(B) H2O2
(C) Na2O2
(D) BaO2
14. Which one is neutral oxide?
(A) N2O
(B) K2O
(C) CaO
(D) CO2
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) SO2
(B) CO2
(C) N2O
(D) P2O5
18. The formula of normal oxide is
(A) C4O3
(B) CO2
(C) C3O2
(D) C3O4
19. ZnO is an example of…
(A) Neutral oxide
(B) Basic oxide
(C) Amphoteric oxide
(D) Acidic oxide
20. KMnO4 is an…..
(A) Oxidizing agent
(B) Reducing agent
(C) Acid
(D) Base