JEE Main 2016 — Environmental Chemistry Question with Solution
From: JEE Main 2016 (Offline)
Question
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 :
Choose an option
Show full solutionCorrect option: B
Correct answer
BNitrate
Step-by-step explanation
The maximum limit of nitrate in drinking water is ppm. Excess nitrate in drinking water can cause disease such as methemoglobinemia ('blue baby' syndrome).
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This is a previous-year question from JEE Main 2016, 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.