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Which is the highest quality of hard coal?

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Which is the highest quality of hard coal?

A).  Anthracite

B).  Bituminous

C).  Lignite

D).  Peat


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Answered by on | Votes 0 |

 Anthracite



Anthracite, often referred to as hard coal, is a hard, compact variety of coal that has a submetallic luster. It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.

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