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MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryEnvironmental ChemistryPrevious Year Questions

Which of the following statements is not true ? (AIPMT 2011)

A.Concentration of DO below 6 ppm is good for the✓ Correct
B.Clean water would have a BOD value of less than 5
C.Oxides of sulphur, nitrogen and carbon are the
D.pH of drinking water should be between 5.5-9.5
Explanation

Concentration of DO (dissolved oxygen) below 6ppm is not good for the growth of fish.

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