The highest grade of coal, whose surface is shining and has the highest calorific value, is:

bituminous

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peat

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anthracite

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lignite

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Solution

The correct option is C anthracite
Due to highest carbon content and fewest impurities, anthracite is the highest grade of coal, whose surface is shining and has the highest calorific value.

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Similar questions

Which of the following fuels has the highest calorific value ?

(a) natural gas

(b) liquefied petroleum gas

(d) hydrogen gas

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