Q. The chloride content in the water for public supplies should not exceed (Solved)
1. 250 mg/litre
2. 100 mg/litre
3. 50 mg/litre
4. 20 mg/litre
5. 1 mg/litre
- a. 250 mg/litre
1. 250 mg/litre
2. 100 mg/litre
3. 50 mg/litre
4. 20 mg/litre
5. 1 mg/litre