Question

Why Aluminium Oxide and Zinc Oxide is called Amphoteric Oxides?

Answer 1

For example both zinc and aluminiumare metals but their oxides, ZnO and Al2O3 are amphoteric oxides as they react with both acids and bases. Generally metallic oxides are basic in nature butAn amphoteric oxide is anoxide that can act both as an acid and as a base. An example is aluminium oxide, Al2O3.


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Answer 2

They are called Amphoteric Oxides because they react both with acid and base respectively.