Water Sample Classification BOD (Jee Mains) | ExamDuo
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Atmospheric and Water Pollution
Easy
Water Sample Classification BOD
Water samples with BOD values of 4 ppm and 18 ppm, respectively, are :
SELECT ONE OPTION
A
Highly polluted and Clean
B
Highly polluted and Highly polluted
C
Clean and Highly polluted
D
Clean and Clean
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