Q. The maximum concentration of lead in drinking water should not exceed. (Solved)

1. 0.5 mg/litre

2. 0.0005 mg/litre

3. 5 mg/litre

4. 0.005 mg/litre

5. 0.05 mg/litre

  • e. 0.05 mg/litre
Subscribe Now

Get All Updates & News