Statement I): Dilution of the wastewater sample with organic-free, oxygen-saturated water is necessary to measure 5-day 20°C BOD values greater than 7 mg/l.Statement II): Saturation concentration of oxygen in water at 20°C is approximately 9 mg/l.

Question

Statement I): Dilution of the wastewater sample with organic-free, oxygen-saturated water is necessary to measure 5-day 20°C BOD values greater than 7 mg/l.Statement II): Saturation concentration of oxygen in water at 20°C is approximately 9 mg/l.

TuteeHUB · Accepted Answer

Statement I) is true but Statement II) is false

TuteeHUB · Answer

Both Statement I) and Statement II) are individually true and Statement II) is the correct explanation of Statement I)

TuteeHUB · Answer

Both Statement I) and Statement II) are individually true but Statement II) is not the correct explanation of Statement I)

TuteeHUB · Answer

Statement I) is false but Statement II) is true

1.	Statement I): Dilution of the wastewater sample with organic-free, oxygen-saturated water is necessary to measure 5-day 20°C BOD values greater than 7 mg/l.Statement II): Saturation concentration of oxygen in water at 20°C is approximately 9 mg/l.
A.	Both Statement I) and Statement II) are individually true and Statement II) is the correct explanation of Statement I)
B.	Both Statement I) and Statement II) are individually true but Statement II) is not the correct explanation of Statement I)
C.	Statement I) is true but Statement II) is false
D.	Statement I) is false but Statement II) is true
Answer» C. Statement I) is true but Statement II) is false

Statement I): Dilution of the wastewater sample with organic-free, oxygen-saturated water is necessary to measure 5-day 20°C BOD values greater than 7 mg/l.Statement II): Saturation concentration of oxygen in water at 20°C is approximately 9 mg/l.

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