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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 `F^(-)`

B

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

C

only `NO_(3)^(-)`

D

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

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The correct Answer is:
A
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