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Types of Coal — Chemistry Keypoint

Types of Coal

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1) Pest – It is an impure form of coal. It has the lowest percentage purity.

2) Lignite – It is a type of coat, which is purer than peat. It is known as brown coal and is formed when peat Is pressurized.

3) Bituminous – This is a type of cost which comes after lignite coal and is of very high purity. It is also called soft coal.

4) Anthracite – This is the purest form of coal. It is also known as hard coal.

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