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QJEEM18Ch8a56: JEE Main 2018 Chemistry - Class 12 JEEM18Ch8a56 Solution: Biochemical Oxygen Demand (BOD) value can be a measure of water …
Biochemical Oxygen Demand (BOD) value can be a measure of water pollution caused by the organic matter. Which of the following statements is correct ?
Multiple Choice Options
- A Aerobic bacteria decrease the BOD value.
- B Anaerobic bacteria increase the BOD value.
- C Clean water has BOD value higher than 10 ppm.
- D Polluted water has BOD value higher than 10 ppm.
Step-by-Step Verified Solution
Aerobic bacteria decreases the BOD value and aerobic bacteria increase the BOD value. Clear water has BOD value less than 5 ppm. Polluted water has BOD value higher than 10 ppm.