1.

Q. 13. Write the name of diffetypes of coal.rent

Answer»

lignitebitumenanthracite

Anthracite: The highest rank ofcoal.

Bituminous: Bituminouscoalis a middle rankcoalbetween subbituminous and anthracite.

Subbituminous: Subbituminouscoalis black in color and dull (not shiny), and has a higher heating value than lignite.



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