. When aluminium metal reacts with oxygen, it forms


(a)          acidic oxide.

(b)          basic oxide.

(c)           neutral oxide.

(d)          amphoteric oxide.

 

Best Answer

(d)

Explanation: An amphoteric oxide is an oxide that can act both as an acid and as a base. Al2O3 reacts with acids to form the corresponding aluminium salt, and with bases to form salts called aluminates.Ex:

37.	When aluminium metal reacts with oxygen, it forms (Sol.-2)

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