Discussion :: Chemistry
- The BOD values of water indicate the
|
A.
Amount of organic debris |
|
B.
Amount of oxygen used for biochemical oxidation |
|
C.
Amount of oxygen used for biochemical reduction |
|
D.
Amount of ozone used for biochemical oxidation |
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Answer : Option B
Explanation :
Clean water has BOD which is less than 5 ppm. If it is equal to or more than 12 ppm, then the water is considered as polluted. So this indicates water be rich in dissolved oxygen, that helps the microorganisms to oxidize inorganic and organic materials.
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