Question

Carbon dioxide can be easily liquified and solidified also as :

Answer 1

Explanation:

Carbon dioxide at very low temperature and pressure can change from an excited state to a stable state and vice versa. This is why it can easily be solidified to dry ice. It can also easily be liquefied at low temperature of only about 30.98 ˚C and pressure.

Answer 2

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Carbon dioxide at very low temperature and pressure can change from an excited state to a stable state and vice versa. This is why it can easily be solidified to dry ice. It can also easily be liquefied at low temperature of only about 30.98 ˚C and pressure