JEE Main 2022 — Environmental Chemistry Question with Solution
From: JEE Main 2022 (Online) 26th June Evening Shift
Question
The measured BOD values for four different water samples (A-D) are as follows: A = 3 ppm; B = 18 ppm; C = 21 ppm; D = 4 ppm. The water samples which can be called as highly polluted with organic wastes, are :
Choose an option
Show full solutionCorrect option: C
Correct answer
CB and C
Step-by-step explanation
Highly polluted water should have BOD value of 17
ppm or more
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This is a previous-year question from JEE Main 2022, 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.