Question

gases do not have a free surface. why​

Answer 1

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Gases do not have free surface due to very less force of attraction between the molecules and the disperse nature of gas molecules do not allow the gases to have free surface. Sincegases do not exhibit superficial tension phenomena (they have no defined shape or volume) they can not form on their own a free surface.

Answer 2

Answer:

Gases do not have free surface due to very less force of attraction between the molecules and the disperse nature of gas molecules do not allow the gases to have free surface. ... Since gases do not exhibit superficial tension phenomena (they have no defined shape or volume) they can not form on their own a free surface.

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