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During sewage treatment , biogases are p...

During sewage treatment , biogases are produced which include:

A

methane, oxygen, hydrogen sulphide

B

hydrogen sulphide, methane, sulphuer dioxide

C

hydrogen sulphide, nitrogen, methane

D

methane, hydrogen sulphide, carbon dioxide

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MBD-MICROBES IN HUMAN WELFARE-EXERCISE
  1. Draw a diagrammatic sketch of biogas plant and lebel its various compo...

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  2. Describe primary and secondary treatment of domestic sewage before it ...

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  3. During sewage treatment , biogases are produced which include:

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