Which one of the following statement is no true – InterviewSolution

1.	Which one of the following statement is no true
Answer» Oxides of SULPHUR, nitrogen and carbon are the most widespread air pollutant pH of drinking water should be between 5.5-9.5 Concentration of DO below 6 ppm is good for the GROWTH of fish Clean water WOULD have a BOD VALUE of less than 5 ppm Answer :C

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