Advertisements
Advertisements
प्रश्न
Water sample is called cleanest on the basis of which one of the BOD values is given below.
पर्याय
11 ppm
15 ppm
3 ppm
21 ppm
MCQ
Advertisements
उत्तर
3 ppm
Explanation:
A BOD value of less than 5 ppm indicates clean water, whereas a BOD value of 17 ppm or higher indicates highly polluted water.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
