Chemistry · 2019
JEE Main · 9 January 2019, Shift 2 · Q49
Which of the following conditions in drinking water causes methemoglobinemia?
Which of the following conditions in drinking water causes methemoglobinemia ?
Official answer
(3)
> $\displaystyle 50$ ppm of nitrate
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.