Question

How is the amount of biodegradable organic matter in sewage water estimated?

• A. Chemical Oxygen Demand
• B. Physical Oxygen Demand
• C. Biological Oxygen Demand
• D. Mathematical Oxygen Demand

Answer 1

Answer:

C. Biological Oxygen Demand

• The amount of biodegradable organic matter in sewage water estimated with the help of biological oxygen demand.

• It is used for indicating the organic strength of wastewater.

• It is designated as BOD.