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Identify the element that forms amphoter...

Identify the element that forms amphoteric oxide.

A

Carbon

B

Zinc

C

Calcium

D

Sulphur

Text Solution

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The correct Answer is:
B
Zn (zinc) element of forms amphoteric oxide i.e. ZnO. This oxide reacts with both acids and bases, exhibiting a dual behaviour. They show characteristics of both acidic as well as basic oxides.
Following reactions are given by ZnO
`ZnO+2HCl to ZnCl_(2)+H_(2)O`
`ZnO+2NaOHtoNa_(2)ZnO_(2)+H_(2)O`
Note : Among oxides, Co is neutral, CaO is basic and `SO_(2)` is acidic in nature.
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