Question

Which among the following is the main constituent of Biogas?

[A]Methane [B]Propane [C]Butane [D]Ethane

Answer 1

Answer:

Methane

Biogas comprises primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxane.

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Answer 2

Answer

Methane

Explanation

Biogas :->It is a mixture of about 40 to 75 percentage of Methane and 30 to 45 percent carbon dioxide .

it is natural burning gases .