Name the adsorbent commonly in adsorption chromatography.

Explanation

To answer the question regarding the adsorbent commonly used in adsorption chromatography, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Adsorption Chromatography**:
- Adsorption chromatography is a technique used to separate different components of a mixture based on their different affinities towards a stationary phase (adsorbent).

2. **Identifying Common Adsorbents**:
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