Question

18. गैस को ठंडा करने पर क्या होता है?​

Answer 1

When gas is cooled then the intermolecular force of attraction are increases and energy decreases.

Explanation :

Solid state : It is a state in which the particles are closely packed and does not have any space between them. The intermolecular force of attraction between the particles are more.

Liquid state : It is a state in which the particles are present in random and irregular pattern. The particles are closely arranged. The intermolecular force of attraction between the particles are lower than solid.

Gaseous state : It is a state in which the particles are loosely arranged and have a lot of space between them. The intermolecular force of attraction between the particles are very low.

Condensation : It is a type of process in which the phase changes from gaseous state to liquid state at constant temperature. That means, as we are move from gaseous state to liquid state the attractive forces are increases.

As per question, when gas is cooled then the intermolecular force of attraction are increases and energy decreases.

Learn more about : States of matter

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Answer 2

Explanation:

9th ka rasayan Shastra chapter 1 question number 18