Classify the changes involved in the following processes as physical or chemical changes:
Melting of wax

Explanation

To classify the melting of wax as a physical or chemical change, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Definitions**:
- **Physical Change**: A physical change is a temporary change that is reversible. It involves a change in physical state or appearance but does not alter the chemical composition of the substance.
- **Chemical Change**: A chemical change is a permanent change that is usually irreversible. It involves the formation of new substances with different chemical compositions.

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