Charcoal is chemically pure

Iron

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Sulphur

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Dry ice (solid carbon dioxide)

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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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Similar questions

Why is solid carbon dioxide called dry ice?

Dry ice is the solid form of carbon dioxide and is used as a refrigerant.

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