Metal A burns in air, on heating, to form an oxide A2O3 whereas another metal B burns in air only on strong heating to form an oxide BO. The two oxides A2O3 and BO can react with hydrochloric acid as well as sodium hydroxide solution to form the corresponding salts and water.

(a) What is the nature of oxide A2O3?


(b) What is the nature of oxide BO?


(c) Name one metal like A.


(d) Name one metal like B.


(a) Amphoteric oxide is the nature of oxide A2O3.


(b) The nature of oxide BO is amphoteric.


(c) One metal like A is aluminium (Al).


(d) One metal like B is Zinc (Zn).


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