Main pollutants of underground water is

Options

A. arsenic and flouride
B. ammonia
C. nitrates
D. chromium and chlorides

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the main pollutants found in underground water.

2. **List Possible Pollutants**: The video mentions several potential pollutants, including:
- Arsenic and fluoride
- Ammonia
- Nitrate
- Chromium and chloride

3. **Determine the Main Pollutants**: According to the video, the main pollutants of underground water are specifically identified as arsenic and fluoride.

4. **Understand the Impact**: Arsenic and fluoride are highlighted as serious inorganic contaminants that can pose health risks when present in drinking water.

5. **Conclude the Answer**: Therefore, the main pollutants of underground water are arsenic and fluoride.

**Final Answer**: The main pollutants of underground water are arsenic and fluoride.

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