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Drained sewage has biological oxygen dem...

Drained sewage has biological oxygen demand `(BOD)`:

A

More than that of water

B

Less than that of water

C

Equal to that of water

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
A
Drained sewages has BOD value more than 17 ppm. while clean water has less than 5 ppm.
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