

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 | |