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Question

Which element is mainly contain in coal?

A
Hydrogen
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B
Carbon
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C
Sodium
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D
Nitrogen
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Solution

The correct option is B Carbon
Coal is basically a kind of carbonaceous sedimentary rock contains a mixture of carbon, hydrogen, nitrogen, sulphur and sand etc. The quality of coal is mainly governed by its carbon and moisture content. The capacity of coal to give energy depends upon the percentage of carbon contained in it.

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