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Environmental Issues

Question
CBSEENBI12047527
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Water pollution is best assessed by determining

  • DO and BOD

  • BOD and turbidity

  • DO and acidity

  • Hardness and alkalinity

Solution

B.

BOD and turbidity

Biological Oxygen Demand (BOD) and turbidity are the most correct and precise assessments for the determination of water pollution. It indicates the deficiency of oxygen, which is required for the maintenance of biological community and turbidity indicates the presence of particulate substances in the water body.

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