100 ml of sample of water requires 3.92 mg of K_2 Cr_2O_3 in presence of H_2SO_4 for the oxidation of dissolved organic matter present in it. The COD of the water sample in ppm

100 ml of sample of water requires 3.92 mg of K_2 Cr_2O_3 in presence

1.	100 ml of sample of water requires 3.92 mg of K_2 Cr_2O_3 in presence of H_2SO_4 for the oxidation of dissolved organic matter present in it. The COD of the water sample in ppm
Answer» <html><body><p>3.1<br/>6.4<br/>12.4<br/>8.2</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>