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Tidal Energy and Biogas

How is Biogas...

Question

How is Biogas obtained? Give it's composition.

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Solution

Biogas is obtained from the excretion of animals like cow dung and plant wastes.
Following is the composition of biogas:
Methane: 50% to 75%
Carbon dioxide: 25% to50%
Nitrogen: less than 10%
Hydrogen: less than 1%
Hydrogen disulphide: less than 3%

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Q. What is the approximate composition of biogas?

Q. Mark the correct option with respect to composition of biogas.

Choose the correct statement(s):

(1) Sewage can be used with gobar and agricultural waste to produce bio gas in biogas plant.

(2) The largest composition in biofuel is of methane.

Q. is the residue obtained from biogas plant which is widely used as manure.

Q. Consider the following statements.

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. LPG is a mixture of Propane, Propylene, Butane and Butylene.

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. Bio-CNG, a kind of biogas, has a

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