Question

How do we liquefy the gases ?​

Answer 1

Answer:

A gas can be liquified by increasing the presssure and decreasing the temperature of the gas.

Explanation:

Answer 2

Explanation:

In general, gases can be liquefied by one of three methods: (1) by compressing the gas at temperatures less than its critical temperature; (2) by making the gas do some kind of work against an external force, which causes the gas to lose energy and change to the liquid state; and (3) by making gas do work against its