Environmental Chemistry Question 6
Question 6 - 30 January - Shift 2
The water quality of a pond was analysed and its BOD was found to be 4 . The pond has
(1) Highly polluted water
(2) Water has high amount of fluoride compounds
(3) Very clean water
(4) Slightly polluted water
Show Answer
Answer: (3)
Solution:
Formula: Biochemical Oxygen Demand
Clean water as BOD value of $<5$ while polluted water has BOD of 15 or more.
