Silverware tarnishes on exposure to polluted atmosphere. Give reason.

Explanation

**Step-by-Step Solution:**

1. **Understanding Silverware**: Silverware is made of silver (Ag), a metal known for its luster and conductivity. However, it is also susceptible to reactions with certain substances in the environment.

2. **Exposure to Polluted Atmosphere**: When silverware is exposed to a polluted atmosphere, it comes into contact with various compounds present in the air, including sulfur compounds like hydrogen sulfide (H2S).

3. **Chemical Reaction**: The silver (Ag) in the silverware reacts with hydrogen sulfide (H2S) present in the polluted air. The reaction can be represented as:
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