What do you understand by activation of adsorption `: ` How is it achieved.

Explanation

**Step-by-Step Solution:**

1. **Understanding Activation of Adsorption:**
- Activation of adsorption refers to the process of enhancing the adsorbing power of an adsorbent. It involves increasing the ability of the adsorbent to attract and hold onto molecules from a gas or liquid phase.

2. **Methods to Achieve Activation of Adsorption:**
- There are several methods to achieve maximum adsorption, which include:

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