Answer for this....third question..BOD is estimated by measuring

Answer for this....third question..BOD is estimated by measuring (c) rFdfiüGrsulphide (d) carbon dioxide The primary treatment of waste water involves the removal of (a) dissolved impurities (c) toxic substances (NCERT Exempl (b) particles (d) harmful bacteria 3. BOD of waste water is estimated by measuring the amount of (NCERT Exeml (a) to I or nic mat er (b) 10 egra a e organic matter (c) oxygen (d) oxygen consumption . Streptomyces venezuelae yields (a) aureomycin (b) chloromycetin

Since BOD is the amount of oxygen consumed by bacteria to oxidise all the organic matter present in 1 litre of water.Therefore,option (d) is correct.
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Hey there! ☺

Pls find the answer below for the asked query :

BOD of waste water is estimated by measuring the amount of total organic matter. 

Regards.


 
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Hey there! ☺

Pls find the answer below:

Correct option: (a) The total organic matter.
Reason : BOD of waste water is estimated by measuring the amount of total organic matter. 

It is capable of decay and it is composed of organic compounds. 

There is no meaning for organic matter and it is fully subjected towards soil which comes from plants and animals. It comes from a recently living organism. 

Regards.

 
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