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Shane Macguire Grade: upto college level
        Which one of the following statement is no true?

(1) Oxides of sulphur, nitrogen and carbon are the most widespread air pollutant
(2) pH of drinking water should be between 5.5 – 9.5
(3) Concentration of DO below 6 ppm is good for the growth of fish
(4) Clean water would have a BOD value of less than 5 ppm
3 years ago

Answers : (1)

Deepak Patra
askIITians Faculty
474 Points
										Sol: Fact

Answer : (3)
3 years ago
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