JEE Main 2019 — Environmental Chemistry Question with Solution
From: JEE Main 2019 (Online) 9th January Evening Slot
Question
Which of the following conditions in drinking water causes methemoglobinemia?
Choose an option
Show full solutionCorrect option: C
Correct answer
C> 50 ppm of nitrate
Step-by-step explanation
Concentration of nitrate > 50 ppm in drinking water causes methemoglobinemia
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Environmental Chemistry chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2019, covering the Environmental Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.