The highest grade of coal whose surface is shining and has the highest calorific value, is ________?

LohaHridoy
  1. Anthracite
  2. Bituminous
  3. Lignite
  4. Peat

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Answer: Option 1

The highest grade of coal whose surface is shining and has the highest calorific value, is 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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