Question

15. (a) what do you mean by liquefaction? How can the gas by liquofied?​

Answer 1

Explanation:

Liquefaction of gases is the process by which substances in their gaseous state are converted to the liquid state. When pressure on a gas is increased, its molecules closer together, and its temperature is reduced, which removes enough energy to make it change from the gaseous to the liquid state.

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Answer 2

➭ AnSwer :-

⟹ Gases can be liquefied by following methods:-

1. By compressing the gas at temperatures less than its critical temperature.
2. By making the gas to do some work against an external force, causing the gas to lose energy and change to the liquid state.