Science Engineering Wastewater Treatment Posted by kalpit
How is Chemical Oxygen Demand (COD) calculated?
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A) Wastewater is oxidised chemically using strontium in acid solutions
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B) Wastewater is oxidised chemically using bromine in acid solutions
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C) Wastewater is oxidised chemically using dichromate in acid solutions
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D) Wastewater is oxidised chemically using sodium in acid solutions