Question

which of the following is not a constituent of biogas
a-co2
b-ch4
c-co
d-h2s

Answer 1

Answer no c) co
is not a constituents of Biogas

Answer 2

Among the given options, the one which is not a constituent of biogas is CO that is, Carbon monoxide. (option c)

• Biogas can be defined as a mixture of gases, that is produced by the anaerobic degradation or breakdown of the organic matter which is also called the biomass, in water's presence. Organic matter, for example, is plant residue, agricultural waste, food waste, etc.
• Mainly, the biogas is composed of methane up to 75%, carbon dioxide (which is about 25%), hydrogen sulfide, and some other gases such as nitrogen, and hydrogen in very small amounts.
• Thus, among the given options, the one which is not a constituent of biogas is CO that is, Carbon monoxide. (option c)

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Answer 3

The correct answer is option c) CO.

• Biogas is a mixture of many gases like carbon dioxide, methane and hydrogen sulphide
• It is used in vehicle fuel.
• It is produced from raw materials which are mainly waste products from the agricultural, plants, sewage etc. processes.
• It has 50-80% methane, 15-50% carbon dioxide and 0-0.5% hydrogen sulphide.
• Hence Carbon monoxide is not a part of biogas.

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