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Given below are the oxides: Na2O, As2O3, N2O, NO and Cl2O7 Number of amphoteric oxides is:

1. (1) 0
2. (2) 1
3. (3) 2
4. (4) 3

Correct answer: (2) 1

Solution

Among the given oxides, only As2O3 exhibits amphoteric behavior, meaning it can react with both acids and bases. The other oxides are either basic or acidic, but not amphoteric.

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