Excess of which of the followings in drinking water is responsible for disease k

Question - Excess of which of the followings in drinking water is responsible for disease known as ‘Blue Baby Syndrome’ or ‘Methemoglobinemia’?

Options:

A . F−

B . NO−3

C . SO2−4

D . Cl−

Answer: Option B
:
B
The disease ‘Blue Baby Syndrome’ or ‘Methemoglobinemia’ is caused due to presence of excess

N O_{3}^{-}

ion in drinking water.

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