Geography
(i) Name the varieties of coal found in India.
(ii) Give a characteristic of each type of coal.
Answer
(i) The varieties of coal found in India are anthracite, bituminous, lignite and peat.
(ii) Characteristic of each type of coal are:
- Anthracite coal — It is shiny and lustrous, almost jet black.
- Bituminous coal — It is hard, black and compact and makes up almost 80% of the world's total coal output.
- Lignite coal — It comprises 40% of carbon and a good deal of moisture and less of combustible matter.
- Peat coal — It has the least carbon content and is inferior to the other three varieties of coal.
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