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Chemistry
The water quality of a pond was analysed and its BOD was found to be 4 . The pond has
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Q. The water quality of a pond was analysed and its
B
O
D
was found to be
4
. The pond has
JEE Main
JEE Main 2023
Environmental Chemistry
A
Water has high amount of fluoride compounds
B
Highly polluted water
C
Very clean water
D
Slightly polluted water
Solution:
Clean water as BOD value of
<
5
while polluted water has BOD of
15
or more.