MCQOPTIONS
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| 1. |
The maximum desirable limit Bureau of Indian Standards (BIS) of lead in the drinking water is |
| A. | 0.05 mg/l |
| B. | 0.09 mg/l |
| C. | 0.1 mg/l |
| D. | 1.0 mg/l |
| Answer» B. 0.09 mg/l | |