Which adsorption is specific and which is not specific in nature?

Explanation

To determine which type of adsorption is specific and which is not, we need to analyze the two main types of adsorption: physisorption and chemisorption.

### Step-by-Step Solution:

1. **Define Adsorption**:
Adsorption is the process by which atoms, ions, or molecules from a gas, liquid, or dissolved solid adhere to a surface.

2. **Identify Types of Adsorption**:
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