How is biogas manufactured in a biogas plant?

Cow dung, plant residue and sewage decomposed in the absence of oxygen.

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Cow dung heated in the presence of oxygen.

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Plant residues heated in the presence of oxygen.

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None of these

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Solution

The correct option is A Cow dung, plant residue and sewage decomposed in the absence of oxygen.
In the absence of oxygen, cow dung, plant residue and sewage are decomposed to manufacture biogas in a biogas plant.

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Similar questions

One of the following is not required in the formation of biogas in a biogas plant. This is :
(a) cow-dung (b) water (c) oxygen (d) anaerobic bacteria

In a biogas plant, the cow dung and water are mixed in equal proportion to prepare:

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