Ts Eamcet
Environmental Chemistry
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ+1 / -02020
Biochemical oxygen demand (BOD) is a measure of organic materials present in water, BOD value less than 5 ppm indicates a water sample to be
Ts Eamcet
TS EAMCET 2020 (Online) 10th September Morning Shift
Biochemical oxygen demand (BOD) is a measure of organic materials present in water, BOD value less than 5 ppm indicates a water sample to be