COD can be determined in ___________(a) 1 Hour(b) 2 Hours(c) 3 Hours(d) 4 HoursThe question was asked in a job interview.This intriguing question comes from Reverse Osmosis, Ultrafilteration, COD and BOD in chapter Water of Applied Chemistry

COD can be determined in ___________(a) 1 Hour(b) 2 Hours(c) 3 Hours(d

1.	COD can be determined in ___________(a) 1 Hour(b) 2 Hours(c) 3 Hours(d) 4 HoursThe question was asked in a job interview.This intriguing question comes from Reverse Osmosis, Ultrafilteration, COD and BOD in chapter Water of Applied Chemistry
Answer» Correct choice is (C) 3 Hours The explanation is: COD can be determined in 3 hours. The organic MATTER of SAMPLE is oxidised to the carbondioxide, AMMONIA and water.

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