Chemistry - Environmental Chemistry Question with Solution | TestHub
ChemistryEnvironmental ChemistryWater PollutionMedium2 minQB
ChemistryMediumsingle choice
Clean water would have B.O.D. value less than :-
Options:
Answer:
A
Solution:
BOD is the amount of dissolved oxygen required by microorganisms to decompose organic matter in water.
Clean water has very low organic pollution, so its BOD is less than 5 ppm (or mg/L).
Higher BOD indicates polluted water.
Hence correct answer is (A) Less than 5 ppm.
Stream:JEESubject:ChemistryTopic:Environmental ChemistrySubtopic:Water Pollution
⏱ 2mℹ️ Source: QB
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