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Question

Chemistry Question on Water pollution

Measuring Biochemical Oxygen Demand (BOD) is a method used for

A

Estimating the amount of organic matter in sewage water

B

Working out the efficiency of oil driven automobile engines

C

Measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale

D

Working out the efficiency of RBCs about their capacity to carry oxygen

Answer

Estimating the amount of organic matter in sewage water

Explanation

Solution

Biochemical oxygen demand (BOD) is the amount of oxygen taken up by microorganisms that decompose organic waste matter in water. It is therefore used as a measure of the amount of certain types of organic pollutant in water.