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Pure water would have a BOD value of...

Pure water would have a BOD value of

A

about 1 ppm

B

5-10 ppm

C

`10-15`ppm

D

15-20ppm

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The correct Answer is:
A
A pure water would have about 1 ppm value. A water supply with BOD level of 3.5 ppm is moderately clean, and water with a BOD level of 6.9 ppm is considered as polluted water.
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