Water sample is called cleanest on the basis of which one of the BOD values given below: uhps fn, x, fdl BOD eku ds vk/kkj ij ty ds uewus dks lokZf/kd LoPN dgk tk,xk \ (A) 11 ppm (B) 21 ppm (C) 15 ppm

Question

Water sample is called cleanest on the basis of which one of the BOD values given below: uhps fn, x, fdl BOD eku ds vk/kkj ij ty ds uewus dks lokZf/kd LoPN dgk tk,xk \

(A) 11 ppm
(B) 21 ppm
(C) 15 ppm
(D) 3 ppm

Prashant Kotian · Accepted Answer

Correct answer: D. Clean water would have BOD value of less than 5 ppm whereas highly polluted water could have a BOD value of 17 ppm or more.

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