Which of the following is formed during the process of anaerobic fermentation?
A
Biogas
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B
Natural gas
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C
Water gas
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D
Petroleum
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Solution
The correct option is B Biogas
Biogas is also commonly known as gobar gas. The biogas is produced due to the decomposition of the organic waste matter with the help of microorganisms in the absence of oxygen. This process is known as anaerobic fermentation. There are four steps required for the production of biogas as hydrolysis, acidification, acetation and methane formation. Anaerobic bacteria are involved in this processes. The composition of biogas is methane and carbon dioxide. There are traces of hydrogen, nitrogen, hydrogen sulphide and carbon monoxide.