Question

Explain about the varieties of coal.

Answer 1

Answer:

there are three varieties of coal

1 coal tar which is in liquid form

2 coal gas which is extracted when coal is separated from its ore.

3 Coke it is purest form of coal about 97% it has carbon

Answer 2

Explanation:

The four types of coal are peat, lignite, bituminous, and anthracite. ... Lignite has a higher heat content than peat but is still not the most desired form of coal. However, lignite makes up almost half of our known coal reserves. Bituminous coal is formed as more pressure is applied to lignite coal..