Environmental Chemistry Question 24
Question: Water sample is reported to be highly polluted if BOD (Biological Oxygen Demand) value of sample becomes
Options:
A) more than 17 ppm.
B) equal to 10 ppm.
C) equal to 5 ppm.
D) less than 5 ppm.
Show Answer
Answer:
Correct Answer: A
Solution:
[a] Water sample is reported to be highly polluted if BOD value of sample is more than 17ppm.
BETA
