Question

types of coals , its importance and distribution of coal class 10th

Answer 1

1) Peat = It contains 16 per cent of carbon particles. It is the earliest stage of coal. It is found under a pond which is buried about million of years.

2) Lignite coal = It contains 38 per cent of carbon particles.

3) Bituminous coal = It contains 68 per cent of carbon particles.

4) Anthracite coal = It contains 92 per cent of carbon particles.


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