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Question

Which of the following are amphoteric oxides?


A

Cu(OH)2

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B

Al2O3

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C

ZnO

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D

NaOH

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Solution

The correct option is C

ZnO


Metallic oxides with both acidic and basic character are called amphoteric oxides. They act as either acid or a base in a neutralisation reaction to form salt and water.

E.g., Al2O3,ZnO


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