Question

How is coke superior than coal as a fuel?

1

Coal is mineral and burns releasing smoke while coke is a residue

Only coal consists of atoms of carbon, hydrogen , oxygen and sulphur while coke mainly consists of carbon

Coal is an impure form of carbon, while coke is a pure form of carbon

All of the above






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Answer 1

Answer:

Explanation:

Coke is a better fuel because coke produces more heat on burning as compared to coal. Coke has higher calorific value than coal. When equal masses of coke and coal are bunt, coke produces more heat. Also when coke is burnt, smoke is not obtained whereas coal produces smoke on coal.

Answer 2

Answer:

option A is the answer

Coal is mineral and burns releasing smoke while coke is a residue.