McqMate
| Q. |
The main constituent of biogas is – |
| A. | oxygen |
| B. | methane |
| C. | acetic acid |
| D. | methyl alcohol |
| Answer» B. methane | |
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Explanation: Biogas typically refers to a gas produced by breakdown of organic matter in the absence of oxygen. Organic waste such as dead plant and animal material, animal feces, and kitchen waste can be converted into a gaseous fuel called biogas. Biogas originates from biogenic material and is a type of bio fuel. Biogas is produced by the anaerobic digestion or fermentation of biodegradable materials such as biomass, manure, sewage, municipal waste, green waste, plant material, and crops. |
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