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(i) Coke has been higher calorific value than coal: So, coke produces more heat than coal on an equal mass basis.

(ii) Coke does not produce smoke on burning: Coke burns with an almost smokeless flame and does not produce smoke during burning. So, there is lesser air pollution when coke is burnt as compared to when coal is burnt.

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Coke never produce smoke on burning
it has high calorific value than coal
cheap than coal
easy transportable
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