Name two compounds used as adsorbent for controlling humidity .

Explanation

**Step-by-Step Solution:**

1. **Understanding Adsorbents**:
- Adsorbents are materials that have the ability to attract and hold molecules of gases or liquids on their surface. They are commonly used in various applications, including controlling humidity.

2. **Identifying Common Adsorbents**:
- In the context of controlling humidity, we need to identify compounds that can effectively adsorb moisture from the air.

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