A sample of pond water containing 20mg of organic matter requires 16mg of dissolved oxygen. (Pond water contains IOmg of organic matter per 2 litres). It's BOD is

A sample of pond water containing 20mg of organic matter requires 16mg

1.	A sample of pond water containing 20mg of organic matter requires 16mg of dissolved oxygen. (Pond water contains IOmg of organic matter per 2 litres). It's BOD is
Answer» 4000 PPM 400 ppm 4 ppm 40 ppm Solution :`O.D = (Wt of O_2)/("Wt. of SAMPLE of water") XX 10^6`