A piece of silica gel is placed in the water vapours. Will the gel adsorb or absorb water vapours?

Explanation

To determine whether silica gel adsorbs or absorbs water vapors, we need to understand the difference between these two processes.

### Step-by-Step Solution:

1. **Define Adsorption and Absorption**:
- **Adsorption** is a surface phenomenon where molecules adhere to the surface of a solid or liquid without penetrating its bulk.
- **Absorption**, on the other hand, is a bulk phenomenon where molecules penetrate into the bulk of a solid or liquid.

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