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 with both acids and bases. This means they can exhibit both acidic and basic properties, allowing them to react with acidic substances to form salts and water, as well as with basic substances to also form salts and water.

2. **Characteristics of Amphoteric Oxides**:
- They can react with acids to produce a salt and water.
- They can also react with bases to produce a salt and water.
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