The BOD value of two samples of water are 4ppm and 18ppm, respectively and this indicates:
The BOD value of two samples of water are 4ppm and 18ppm, respectively and this indicates:
Option 1 -
Clean water, Clean Water
Option 2 -
Polluted water, Clean water
Option 3 -
Clean water, Polluted water
Option 4 -
Polluted water, Polluted water
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1 Answer
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Correct Option - 3
Detailed Solution:BOD value less than 5ppm is considered as clean water and BOD value more than 10ppm is considered as polluted water.
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