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A water sample has ppm level concentrati...

A water sample has ppm level concentration of following anions. `F^(-) = 10, SO_(4)^(2-) = 100, NO_(3)^(-) = 50`
The anion/anions that make/makes the water sample unsuitable for drinking is/are……..

A

only `NO_(3)^(-)`

B

both `SO_(4)^(2-) and NO_(3)^(-)`

C

only `F^(-)`

D

only `SO_(4)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
C
Accepted amount of negative ion in sample of water For `F^(-)` up to 1 ppm
`NO_(3)^(-)` up to 50 ppm `SO_(4)^(2-)` up to 500ppm
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