Question

What are the different types of coal found in india and explain?How the coal formed?

Answer 1

types of coal Peat, Lignite, Bituminous & Anthracite Coal.       Coal formed millions of years ago when the earth was covered with huge swampy [marshy] forests where plants – giant ferns and mosses – grew.As the plants grew, some died and fell into the swamp waters. New plants grew up to take their places and when these died still more grew.

Answer 2

Explanation:

Coal is formed due to the compression of plant and animal material over millions of years. (i) Peat has high moisture content and low heating capacity. (ii) Lignite is a low grade brown coal, soft and with high moisture content. (iii) Bituminous coal is buried deep and subject to high temperature.