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During the secondary treatment of sewage, which of the following change in the effluent occur due to flocs? - Biology

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प्रश्न

During the secondary treatment of sewage, which of the following change in the effluent occur due to flocs?

विकल्प

  • Reduction in BOD

  • Increase in BOD

  • Decrease in DO

  • No change in DO or BOD

MCQ

उत्तर

Reduction in BOD

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