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Which of the following forms a group between bituminous coal and anthracite?

Which of the following forms a group between bituminous coal and anthracite? Correct Answer Semi-bituminous coal

Semi-bituminous have both the characteristics of bituminous coal and anthracite, their carbon content is around 90-93%. The sub-bituminous coal forms a group between lignite and bituminous coal and contains 75-83 % carbon in them.

Related Questions

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