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This question belongs to Civil Engineering Waste Water Engineering

Waste Water Engineering

?

To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of

A) Hydrochloric acid B) Sulphuric acid C) Nitric acid D) Citric acid

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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