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IF solid dry ice slowly disappears completely is this a physical or chemical change?
Wiki User
∙ 14y ago
The "disappearance" of dry ice is a physical change. What you refer to as disappearance is actually sublimation where the solid CO2 turns to a gas without going through the liquid phase. Dry is is solid CO2 and when it disappears it becomes gaseous CO2, so it is a physical change.
Wiki User
∙ 6y ago
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