Oxidation & Reduction MCQs 20 min Score: 0 Attempted: 0/20 Subscribe 1. In H2O2 the oxidation number of oxygen is (A) 2 (B) 1 (C) 1/2 (D) +2Show All Answers 2. In oxidation, removal of _______ takes place (A) CO2 (B) H2 (C) O2 (D) SO2Show All Answers 3. In reduction, the addition of _______ takes place (A) CO2 (B) H2 (C) O2 (D) SO2Show All Answers 4. CaO is an example of (A) Sub oxide (B) Amphoteric oxide (C) Peroxide (D) Normal oxideShow All Answers 5. Na2O2 is an example of (A) Normal oxide (B) Superoxide (C) Sub oxide (D) PeroxideShow All Answers 6. H2O2 is an example of (A) Amphoteric oxide (B) Superoxide (C) Basic oxide (D) PeroxideShow All Answers 7. In superoxide, the oxidation number of oxygen is (A) 1/2 (B) 1/4 (C) 1 (D) 2Show All Answers 8. C3O2 is an example of (A) Sub oxide (B) Peroxide (C) Normal oxide (D) Amphoteric oxideShow All Answers 9. Which one is an oxidizing agent? (A) I2 (B) S (C) Al (D) HShow All Answers 10. Which one is a reducing agent? (A) H2O2 (B) O3 (C) O3 (D) SO2Show All Answers 11. ZnO and Al2O3 are examples of (A) Acidic oxide (B) Basic oxide (C) Amphoteric oxide (D) Neutral oxideShow All Answers 12. Which one is not a peroxide? (A) CaO (B) H2O2 (C) Na2O2 (D) BaO2Show All Answers 13. Which one is a normal oxide? (A) K2O (B) H2O2 (C) Na2O2 (D) BaO2Show All Answers 14. Which one is a neutral oxide? (A) K2O (B) N2O (C) CaO (D) CO2Show All Answers 15. Which one is not a basic oxide? (A) CO2 (B) CaO (C) MgO (D) K2OShow All Answers 16. H2O2 is a strong (A) Oxidizing agent (B) Reducing agent (C) Acid (D) BaseShow All Answers 17. Which oxide is not acidic? (A) SO2 (B) CO2 (C) N2O (D) P2O5Show All Answers 18. The formula of normal oxide is (A) C4O3 (B) C3O4 (C) C3O2 (D) CO2Show All Answers 19. ZnO is an example of (A) Neutral oxide (B) Amphoteric oxide (C) Basic oxide (D) Acidic oxideShow All Answers 20. KMnO4 is an ……. (A) Reducing agent (B) Oxidizing agent (C) Acid (D) BaseShow All Answers
