JEE Main 9 Jan 2019 Shift 2 Solved Paper

Section: Chemistry

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Question : 79 of 90

Marks: +1, -0

Which of the following conditions in drinking water causes methemoglobinemia ?

[9 Jan 2019 Shift 2]

> 50ppm of load
> 100 ppm of sulphate
> 50 ppm of chloride
> 50 ppm of nitrate

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