The concentration of fluoride,lead,nitrate an | vedclass

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(A) First,convert all concentrations to $ppm$ $(1 \ ppm = 1000 \ ppb)$:$1.$ Fluoride: $1000 \ ppb = 1 \ ppm$ (Permissible limit is $1 \ ppm$)$2.$ Lead

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Nitrate

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(A) First,convert all concentrations to $ppm$ $(1 \ ppm = 1000 \ ppb)$:$1.$ Fluoride: $1000 \ ppb = 1 \ ppm$ (Permissible limit is $1 \ ppm$)$2.$ Lead: $40 \ ppb = 0.04 \ ppm$ (Permissible limit is $0.05 \ ppm$)$3.$ Nitrate: $100 \ ppm$ (Permissible limit is $45 \ ppm$)$4.$ Iron: $0.2 \ ppm$ (Permissible limit is $0.2 \ ppm$)The concentration of nitrate $(100 \ ppm)$ is significantly higher than the permissible limit of $45 \ ppm$. Excess nitrate in drinking water causes methemoglobinemia,also known as blue baby syndrome.

The concentration of fluoride,lead,nitrate and iron in a water sample from an underground lake was found to be $1000 \ ppb, 40 \ ppb, 100 \ ppm$ and $0.2 \ ppm,$ respectively. This water is unsuitable for drinking due to high concentration of:

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