What are the advantages of biogas?
Advantages of biogas :
Biogas burns without smoke.
It leaves no residue like ash in wood, charcoal and coal burning.
High heat capacity.
The slurry left behind is used as a manure.
(a) What is biogas ? Name the major component of biogas. (b) What are the raw materials used for making biogas ? (c) Describe the construction and working of a biogas plant with the help of a labelled diagram. (d) Write any two uses of biogas. (e) Write any two advantages of using biogas.