Question

what are amphoteric oxides?give two examples.prove the amphoteric nature with an example

Answer 1

Metal Oxide are usually basic in nature but some metal oxide such as aluminium oxide and zinc oxide react both with acids as well as bases to produce salt and water. Hence they are called as Amphoteric Oxides.

Chemical equation:-

1) Al2O3 + 6HCL ----- 2ALCL3 + H2O
2) AL2O3 + 2NaOH ----- 2NaAlO2 + H2O

Answer 2

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