How will you purify impure naphthalene ?

Explanation

To purify impure naphthalene, you can use the process of sublimation. Here’s a step-by-step solution:

### Step-by-Step Solution:

1. **Understanding Sublimation**:
- Sublimation is the process where a solid changes directly into a gas without passing through the liquid phase. Naphthalene, when heated, can sublimate.

2. **Setup for Sublimation**:
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