Answer:
The
most abundant fossil fuel in India is coal. Its three major forms are
Anthracite, Bituminous and Lignite.
The main features of these forms are given below
Feature
Anthracite
Bituminous
Lignite
Carbon%
More than 90%
75% to 90%
60% to 75%
Appearance
Black in colour, hard and glossy
Dense sedimentary rock, usually black in colour
Brown in colour soft and having
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