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Question & Answer » Chemistry Questions » What is Dry Ice
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What is Dry Ice

What is dry ice? Learn about solid CO2, its sublimation, and uses in food preservation and cooling for CBSE Chemistry exam preparation.

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Answer: 

The non-flammable, colourless and odourless solid form of carbon dioxide, is frozen by compressing CO2 to high pressure at a staggering -109.3 F or -78.5 C to create dry ice. Unlike other ices, dry ice transforms directly into gas rather than into a liquid state. The dry ice can be compressed into blocks, pellets and other forms. 

How dry ice is made?

The dry ice is manufactured in a process called deposition. The technicians pressurised gases at high concentrations of carbon dioxide. These gases are refrigerated till they form snow-like consistency and then they compress the snow into desired shape and size.

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