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Byju's Answer
Standard VII
Physics
Sources of Heat Energy
Charcoal is c...
Question

Charcoal is chemically pure


A

Iron

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B

Sulphur

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C

Dry ice (solid carbon dioxide)

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D

Carbon

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Solution

The correct option is D

Carbon


Charcoal is made by burning wood in absence of oxygen. Because of the burning the impurities present in wood are removed and only carbon is left. Therefore, charcoal is chemically pure carbon.


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