The BOD values of four samples of water A, B, C and D are 200PPM, 140PPM, 40PPM, and 4PPM respectively. The most polluted and least polluted water samples are
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
A & B
b
B & C
c
C & D
d
A & D
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
More the BOD value more the extent of pollution less BOD value least pollution.
The BOD values of four samples of water A, B, C and D are 200PPM, 140PPM, 40PPM, and 4PPM respectively. The most polluted and least polluted water samples are