Question

describe the qualities of 4 different types of coal found in india , how is coal formed?

Answer 1

due to the compression of plant and animal material over millions of years. ... (ii) Lignite is a low grade brown coal, soft and with high moisture content.

Answer 2

Answer:

Coal-: It is formed by the decomposition and decayed plant, vegetables and animals body buried under the earth surface over million of years.

Explanation:

There are four forms of coal :–

1. Peat -: It is the poorest quality of coal which is formed by the dead plants decaying for a long time. It consists of high moisture.

2. Lignite -: It is brownish form of coal that contains moisture and high sulphur content.

3. Bituminous -: It is soft and black form of coal that consists of lesser amount of sulphur and also contains carbon. This form of coal is used in the formation of roads.

4. Anthracite -: It is the purest form of coal that contains high amount of carbon(95%).It produces high amount of energy and no moisture in it.

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