Respuesta :
Cooling down of carbon dioxide must be done. The freezing point of carbon dioxide is 78.5°C, so in order to make it solid, you must cool it down to or under the freezing point.
The thing to be done to change carbon dioxide gas into a solid is to decrease the temperature till freezing point.
What is solid state?
The condition of matter in which materials are not fluid but maintain their boundaries without support, with atoms or molecules maintaining fixed places in relation to one another and unable to move freely.
For changing the gaseous state into the solid state, we have to increase the pressure of gas so that the molecules of gas come close to each other or by decreasing the temperature of gas so that toms get freeze to not move freely.
Hence, by decreasing the temperature to freezing point, carbon dioxide gas will change into a solid.
To know more about freezing point, visit the below link:
https://brainly.com/question/24314907
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