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Q.

Amphoteric oxide(s) is/are:

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a

Al2O3

b

SnO

c

ZnO

d

Fe2O3

answer is A, B, C.

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Detailed Solution

Amphoteric oxides are the chemicals that react with both acids and bases. Al2O3 reacts with both acids and bases. So it's an amphoteric oxide. SnO and ZnO are also amphoteric oxides.

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