Asked in SciencePhysicsChemistry
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What gases change to a solid and back to a gas?
Answer

Wiki User
November 04, 2007 9:15PM
All gases can be solidified with appropiate temperatures. Then heated back to gaseous form.
Related Questions
Asked in Physics
What is an example of a change of state for a gas?

Please note that a "change of state" involves TWO states, not
just one. Using just the three most common states of matter:
* A solid can change to a gas
* A liquid can change to a gas
* A gas can change to a liquid
* A gas can change to a solid
* A solid can change to a liquid
* A liquid can change to a solid
The first four changes in the list above involve gases.