Question

Explain any three variety of coal based on the carbon content.​

Answer 1

Answer:

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Explanation:

Types of coal

Anthracite contains 86%–97% carbon and generally has the highest heating value of all ranks of coal. ... In the United States, anthracite is mainly used by the metals industry. Bituminous coal contains 45%–86% carbon. Bituminous coal in the United States is between 100 million and 300 million years old.

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Answer 2

Answer:

Anthracite contains 86%–97% carbon and generally has the highest heating value of all ranks of coal. ... In the United States, anthracite is mainly used by the metals industry. Bituminous coal contains 45%–86% carbon. Bituminous coal in the United States is between 100 million and 300 million years old.

Explanation:

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