Q7 of 269 Page 148

Which of the following is needed for the formation of biogas from cow-dung and which not?

Water, Oxygen

Water is required in the formation of biogas from cow-dung. And biogas is produced in the absence of oxygen in a closed system.


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Which component of biogas is used as a fuel?

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Name the constituents of biogas.

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Name the clean fuel which can be obtained from cow-dung.

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Apart from cattle dung, what other substances can be added to a biogas plant?