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(A) $\rightarrow IV, B$ $\rightarrow II, C$ $\rightarrow V, D$ $\rightarrow I$$A$. Methemoglobinemia is caused by elevated levels of nitrate in drinki

Vedclass · Accepted Answer

$IV, II, V, I$

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(A) $\rightarrow IV, B$ $\rightarrow II, C$ $\rightarrow V, D$ $\rightarrow I$$A$. Methemoglobinemia is caused by elevated levels of nitrate in drinking water ($> 50 \ ppm$ or $2000 \ ppm$ depending on the source context,here $IV$ matches).$B$. Kidney damage is caused by the presence of $1000 \ ppb$ of lead in drinking water $(II)$.$C$. Bones and teeth damage is caused by the presence of $50 \ ppm$ or above fluoride in drinking water $(V)$.$D$. Growth of fish is stopped when dissolved oxygen in water is less than $1 \ ppm$ $(I)$.

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