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72. Measuring Biochemical Oxygen Demand (BOD) is a method used for (1) Working out the efficiency of R.B.Cs. about their capacity to carry oxygen (2) Estimating the amount of organic matter is sewage water (3) Working out the efficiency of oil driven automobile engines (4) Measuring the activity of Sacccharomyces cerevisae in producing curd on a commercial scale

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72. Measuring Biochemical Oxygen Demand (BOD) is a method used for
(1) Working out the efficiency of R.B.Cs. about their capacity to carry oxygen
(2) Estimating the amount of organic matter is sewage water
(3) Working out the efficiency of oil driven automobile engines
(4) Measuring the activity of Sacccharomyces cerevisae in producing curd on a commercial scale
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Estimating the amount of organic matter is sewage water
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