Question

which gas is called dry ice?,how can gas be converted to solid?

Answer 1

Dry ice is the solid form of carbon dioxide.
Gas can be converted to solid by the process of deposition. IN this process gas can be converted directly into solid without passing through liquid stage.

Answer 2

hyy friend here is the answer

carbon dioxide is called dry ice.

From a gas ,the co2 needs to be converted into a liquid before it can become solid dry ice.

hope it helps you