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Question
The coal with highest ash content is?
The coal with highest ash content is?
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Solution
The correct option is A Lignite
Coal is available in 4 forms: Lignite, bituminous, anthracite and sub-bituminous. Anthracite is the highest ranked coal with the carbon percentage of above 87%. The carbon content in bituminous is 77-87%, in sub-bituminous is 71-77% and in lignite is 60-70%. Lignite has the least carbon content and hence highest ash content.
Coal is available in 4 forms: Lignite, bituminous, anthracite and sub-bituminous. Anthracite is the highest ranked coal with the carbon percentage of above 87%. The carbon content in bituminous is 77-87%, in sub-bituminous is 71-77% and in lignite is 60-70%. Lignite has the least carbon content and hence highest ash content.
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