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Question

BOD stands for


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Solution

BOD

  • It stands for Biochemical Oxygen Demand.
  • “The amount of oxygen required by bacteria to break down the organic matter present in a certain volume of a sample of water is called Biochemical Oxygen Demand”

BOD value of water

  • A BOD number of less than 5ppm indicates that the water is clean.
  • A BOD value of 17ppm or above indicates that the water is extremely polluted.

Hence BOD stands for Biochemical Oxygen Demand.


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