sublimation of dry ice physical change
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Sublimation is the conversion of a substance from the solid to the gaseous state without its becoming liquid. It occurs more frequently among substances that are close to their freezing point. ... An example of sublimation is the conversion of solid carbon dioxide (dry ice) to carbon dioxide gas.
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Sublimation is a physical change. When a substance sublimes, it changes from a solid to a gas without going through the liquid phase. ... Dry ice is carbon dioxide in the solid phase.
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