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JEE Main 201212 MayOnline

Exam: JEE Main
Year: 2012
Date: 12 May
Mode: Online
Subject: Chemistry
Chapter: Environmental Chemistry

JEE Main 2012 · 12 May · Online · Chemistry · Environmental Chemistry

Water sample is reported to be highly polluted if BOD (Biological...

Water sample is reported to be highly polluted if BOD (Biological Oxygen Demand) value of sample becomes

Options

Amore than $17 \mathrm{ppm}$
Bequal to $10 \mathrm{ppm}$
Cequal to $5 \mathrm{ppm}$
Dless than $5 \mathrm{ppm}$

Correct answer

A. more than $17 \mathrm{ppm}$

Step-by-step solution

Water sample is reported to be highly polluted if BOD value of sample is more than 17 ppm.

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