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Question

Sublimation is used to purify:

A
plasma
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B
gases
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C
solids
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D
liquids
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Solution

The correct option is C solids
Sublimation is a technique that helps chemists to purify. During sublimation,upon heating, a solid substance is converted to the gas phase without passing through the liquid phase. A solid is heated under vacuum. The solid volatilizes and condenses as a purified compound on a cooled surface, a non-volatile residue of impurities is left behind.

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