What are amphoteric oxides? Give two examples of amphoteric oxides.

Explanation

### Step-by-Step Solution:

1. **Definition of Amphoteric Oxides**:
Amphoteric oxides are oxides that can react both as acids and bases. This means they can neutralize both acids and bases, exhibiting dual behavior.

2. **Characteristics of Amphoteric Oxides**:
- They can react with acids to form salts and water.
- They can also react with bases to form salts and water.
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