Q. Methane is formed due to the reduction of __________

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Q. Which of the following is formed due to the anaerobic decomposition of carbonaceous organic matter?

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Q. Which of the following is formed due to the reduction of sulfurous organic matter?

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Q. Partially oxidized sewage contains __________

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Q. The aerobic decomposition of sulfurous organic matter gives __________

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Q. The energy released during the aerobic oxidation of organic matter is _____ kilo calories.

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Q. The decomposition of nitrogenous organic matter in the absence of oxygen gives __________

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Q. Which of the following is formed from the anaerobic oxidation of organic matter?

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Q. The number of stages required for the completion of aerobic oxidation is __________

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Q. Which of the following is formed from oxidation of organic matter in the presence of oxygen?

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Q. The energy released during the anaerobic oxidation of organic matter is _____ kilo calories.

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Q. _____ is the amount of oxygen required to oxidize only organic matter in sewage.

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Q. The full form of BOD is __________

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Q. The biochemical oxygen demand is computed by __________

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Q. The value of deoxygenation constant is independent of the temperature.

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Q. The average standard BOD of domestic sewage is measured in ____________

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Q. Which of the following id the correct expression of population equivalent?

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Q. The expression of relative stability at 20°C is given by ___________

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Q. The expression of relative stability at 37°C is given by ___________

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Q. What is the value of BOD of industrial sewage in kg/day, given population equivalent as 6000 persons?

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