Which of the following is known as WORM SILVER?

Options

A. `AgCl`
B. A specific horn,type article made of silver
C. `Ag_2S`
D. `PbS` containing traces of `Ag_2S`

Explanation

To determine which of the following is known as "Worm Silver," we need to analyze the options provided.

1. **Understanding the term "Worm Silver":**
- "Worm Silver" is a common name associated with a specific compound in chemistry.

2. **Identifying the options:**
- The options given include various silver compounds. We need to identify which one is specifically referred to as "Worm Silver."

3. **Analyzing the compounds:**
- **PBS (Lead Sulfide)**: This compound is not known as Worm Silver. It is a different compound entirely.
- **Ag2S (Silver Sulfide)**: This is known as Argentite or Silver Glance, not Worm Silver.
- **AgCl (Silver Chloride)**: This compound is commonly known as Worm Silver or Horn Silver.

4. **Conclusion:**
- Based on the analysis, the compound that is known as "Worm Silver" is **AgCl (Silver Chloride)**.

**Final Answer: AgCl (Silver Chloride) is known as Worm Silver.**

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