1.

100 ml of a sample of water requires 0.98mg of K_(2)(M.W.= 294 )in presence of the H_(2)SO_(4) for the oxidation of dissolved organic matter in it. The COD of the water sample is

Answer» <html><body><p>78.4 <a href="https://interviewquestions.tuteehub.com/tag/ppm-1162221" style="font-weight:bold;" target="_blank" title="Click to know more about PPM">PPM</a> <br/>1.6 ppm<br/>3.2 ppm <br/>6.4 ppm</p>Answer :<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a></body></html>


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