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Chemistry
Water sample is reported to be highly polluted if BOD (Biological Oxygen Demand) value of sample becomes
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Q. Water sample is reported to be highly polluted if BOD (Biological Oxygen Demand) value of sample becomes
AIEEE
AIEEE 2012
Environmental Chemistry
A
more than 17 ppm
52%
B
equal to 10 ppm
18%
C
equal to 5 ppm
9%
D
less than 5 ppm
20%
Solution:
Water sample is reported to be highly polluted if BOD value of sample is more than 17 ppm.