Question

Which type of coal is the best quality of coal?

Answer 1

Coal:

• Coal is a fossil fuel that mainly contains carbon.
• It is formed by the decay of vegetation that existed millions of years ago.
• The best quality of coal is Anthracite.

Anthracite:

• “Anthracite is the highest rank of coal.”
• It is a hard/brittle/black lustrous coal, also known as hard coal.
• It has the highest percentage of carbon i.e. $92\%-98\%$ and a low percentage of volatile matter.
• It ignites slowly with a blue flame.