Question

which are the diffrent type of coal ?how its classified​

Answer 1

Answer:

The four ranks are: Anthracite: The highest rank of coal. It is a hard, brittle, and black lustrous coal, often referred to as hard coal, containing a high percentage of fixed carbon and a low percentage of volatile matter. Bituminous: Bituminous coal is a middle rank coal between subbituminous and anthracite.

Answer 2

Different types of coal are- peat,lignite, bituminous, anthracite and sub-bituminous. They are classified according to their carbon content.For eg. Peat which has lowest carbon content and anthracite which has highest carbon concentration..

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