Dry Ice Is Not Frozen Water, But Frozen Carbon Dioxide

Unlike regular ice, dry ice is solid carbon dioxide that sublimates directly into a gas at room temperature, without melting into a liquid. This property makes it useful for refrigeration where water residue would be undesirable, such as shipping perishables or creating fog effects.

Source

https://en.wikipedia.org/wiki/Dry_ice

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Published: March 29, 2026
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Cool Chemistry Materials Dry Ice Carbon Dioxide Sublimation Refrigeration Material Science

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