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Tolerable limits of lead and fluorides d...

Tolerable limits of lead and fluorides drinking water according to international standard are respectively

A

50 ppm and 3 ppm

B

50 ppm and 1 ppm

C

50 ppm and 5 ppm

D

1ppm and 50 ppm

Text Solution

Verified by Experts

The correct Answer is:
B
50 ppm and 1 ppm
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