Question
How is COD calculated?
Answer: Option B
Answer: (b).Waste water is oxidised chemically using dichromate in acid solutions
Was this answer helpful ?
Answer: (b).Waste water is oxidised chemically using dichromate in acid solutions
Was this answer helpful ?
More Questions on This Topic :
Question 4. Check valve is also called as _________....
Question 5. What is the function of a butterfly valve?....
Question 6. What is the purpose of piston valve?....
Question 7. Air is used to ________ the filter bed.....
Submit Solution