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Standard X
Civics
Russia
In highly pol...
Question
In highly polluted water BOD value shows a range of
A
17-50 ppm
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B
10-14 ppm
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C
7-12 ppm
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D
2-8 ppm
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Solution
The correct option is
A
17-50 ppm
BOD (Biological Oxygen Demand) is less than 5ppm in clean water, where as highly polluted water have a BOD value of 17ppm are more
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