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Biotechnology and Biomedical Engineering
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Ecology Virtual Lab
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Chemical Oxygen Demand of Waste water
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Chemical Oxygen Demand of Waste water
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Theory
Procedure
Self Evaluation
Animation
Assignment
Reference
Feedback
1)
Chemical Oxygen Demand (COD) is used the quantification of
Organic
Inorganic
Both a and b
None of the above
2)
The chemical oxygen demand measures the ……….
Amount of oxygen required for growth of microorganism in water
Amount of oxygen that would be then removed from the water inorder to oxidize pollution
Amount of oxygen required to oxidize the calcium present in waste water
None of the above
3)
Potassium dichromate in this test is used as
Oxidant
dye
Catalyst
Both a and c
4)
The liquid hazardous wastes generated as a result of COD test are
Acid
Chromium
Silver
Mercury
All the above
5)
Usually COD test values are
Greater than BOD test values
Less than BOD test values
Almost equal to BOD test values
None of the above
Cite this Simulator:
vlab.amrita.edu,. (2012). Chemical Oxygen Demand of Waste water. Retrieved 11 December 2024, from vlab.amrita.edu/?sub=3&brch=272&sim=1413&cnt=3
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