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- The water quality of a pond was analysed and its BOD was found to be 4. The pond hasOption: 1 Highly polluted water<div class='qna-opti
The water quality of a pond was analysed and its BOD was found to be 4. The pond has
Option: 1
Highly polluted water
Option: 2
Slightly polluted water
Option: 3
Water has high amount of fluoride compounds
Option: 4
Very clean water
Answers (1)
Clean water have BOD value less than 5 ppm while highly polluted water have. BOD value of 17 ppm or more.
View full answer
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