Q. Gobar gas contains mainly

 2686  196 AIPMTAIPMT 1997Microbes in Human Welfare Report Error

Solution:

Biogas or gobar gas is a methane rich fuel gas produced by anaerobic breakdown or digestion of biomass with the help of methanogenic bacteria. It is made up of methane (50 - 70%), carbon dioxide (30 - 40%) with traces of nitrogen, hydrogen sulphide and hydrogen.