In an industry, `H_2S` gas is mixed with chlorine gas before releasing it into the atmosphere. Give the appropriate reason.

Explanation

To answer the question of why H₂S gas is mixed with chlorine gas before being released into the atmosphere, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Nature of H₂S Gas**:
- Hydrogen sulfide (H₂S) is a colorless gas known for its characteristic foul odor (similar to rotten eggs) and is highly toxic and poisonous to humans and the environment.

2. **Understanding the Role of Chlorine**:
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