In which of the following does adsorption take place and why?
(i) Silica gel placed in the atmosphere saturated with water
(ii) Anhyd. `CaCl_(2)` place in the atmosphere saturated with water.

Explanation

To determine whether adsorption takes place in the given scenarios, we need to analyze each case based on the definitions of adsorption and absorption.

### Step-by-Step Solution:

1. **Understanding Adsorption**:
- Adsorption is the process where molecules from a gas or liquid adhere to the surface of a solid or liquid. The molecules that are adsorbed are called the adsorbate, and the surface they adhere to is called the adsorbent.

2. **Analyzing Silica Gel in Saturated Water**:
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