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Question
Order the following coals in ascending order of amount of carbon content.
Order the following coals in ascending order of amount of carbon content.
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Solution
Energy released by a coal depends mainly on its carbon content. Higher carbon content of coal releases higher energy after burning.
Carbon content for different forms of coal is:
Anthracite coal - 87% to 98%
Bituminous coal - 77% to 87%
Lignite coal - 60% to 70%
Peat coal - < 60%
Carbon content for different forms of coal is:
Anthracite coal - 87% to 98%
Bituminous coal - 77% to 87%
Lignite coal - 60% to 70%
Peat coal - < 60%
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