Q 1923445341.     Three water samples namely river water
untreated sewage water and secondary effluent
discharged from a sewage treatment plant were
subjected to BOD test. The samples were
labc!k' did not note which was which. The BOD values
of the three samples A, Band C were recorded
as 20mg/L, 8mg/Land 400mg/L, respectively.
Which sample of the water is most polluted?
Can you assign the correct label to each
assuming the river water is relatively clean

NCERT Chapter Solution 10/11

Find instant solution to any question from our database of 1.5 Lakh + Questions

 


Access free resources including


Engineering


Medical


Banking


DEFENCE


SSC


RRB


CBSE-NCERT


OLYMPIAD


0
Success Rate: NAN %
Sr. No.SubjectTagCorrectRecorded Answer