Question

Is it possible to liquefied atmospheric gases

Answer 1

The atmospheric gases exist as liquids at very low temperatures such as -150 °C or - 200°C. To liquefy such gases by cooling is practically very difficult. Only a few gases are cooled to liquefy them. ...
This principle is used to liquefy oxygen, hydrogen, helium, nitrogen, and petroleum gas too.

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Answer 2

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Yes , It can be achieved by either increasing the pressure or decreasing the temperature which ultimately leads to the reduction of spaces between molecules.

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