Question
Biochemical oxygen demand(BOD) value can be a measure of water pollution caused by the organic matter. Which of the following statements is correct?
BITSAT
Chemistry
Environmental Chemistry
2021
BITSAT 2021
BITSAT Chemistry Question (2021) — Solution
Options
- A. Polluted water has BOD value higher than 10 ppm
- B. Aerobic bacteria decreases the BOD value
- C. Anaerobic bacteria increases the BOD value
- D. Clean water has B O D value higher than 10 ppm
Answer
A. Polluted water has BOD value higher than 10 ppm
Step-by-step solution
Clean water has BOD value less than 5 ppm . Polluted water has BOD value higher than 10 ppm .
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