Give two examples of adsorbents used in chromatography.

Explanation

To answer the question regarding examples of adsorbents used in chromatography, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Chromatography**:
- Chromatography is a technique used to separate mixtures into their individual components. It relies on the differential partitioning of compounds between a stationary phase and a mobile phase.

2. **Defining Adsorbents**:
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