JEE Main 2012 — Environmental Chemistry Question with Solution
JEE Main 2012 (12 May Online)
Question
Water sample is reported to be highly polluted if BOD (Biological Oxygen Demand) value of sample becomes
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Show full solutionCorrect option: A
Correct answer
Amore than
Step-by-step explanation
Water sample is reported to be highly polluted if BOD value of sample is more than 17 ppm.
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This is a previous-year question from JEE Main 2012, 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.