McqMate
| Q. |
The chloride content in the water for public supplies should not exceed |
| A. | 1 mg/litre |
| B. | 250 mg/litre |
| C. | 50 mg/litre |
| D. | 20 mg/litre |
| E. | 100 mg/litre |
| Answer» B. 250 mg/litre | |
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