A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture?

Explanation

To separate the components of a mixture containing iron nails, salt, oil, and water, we can follow these stepwise methods:

### Step 1: Separation of Iron Nails
- **Method**: Handpicking or using a magnet.
- **Process**: Since iron nails are magnetic, you can use a magnet to attract and remove them from the mixture. Alternatively, you can manually pick them out if the quantity is small.

### Step 2: Separation of Oil from Water
- **Method**: Using a separating funnel (decantation).
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