Name two metals which are purified by distillation method.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Distillation Method:**
- Distillation is a separation technique used to purify liquids or metals. It involves heating a mixture to create vapor and then cooling that vapor to obtain a liquid.

2. **Application of Distillation in Metal Purification:**
- In the context of metals, the distillation method is particularly effective for volatile metals. This means that the metals can easily transition from a solid or liquid state to a vapor state upon heating.

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