A sample of pond water containing 20mg of organic matter requires 16 mg of dissolved oxygen. (Pond water contains 10mg of organic matter per 2 litres). It's BOD is

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

1.	A sample of pond water containing 20mg of organic matter requires 16 mg of dissolved oxygen. (Pond water contains 10mg of organic matter per 2 litres). It's BOD is
Answer» 4000 ppm 400 ppm 4 ppm 40 ppm ANSWER :C