The molecular movement begins to slow down. Intermolecular interactions increase. When the liquid has cooled sufficiently, it will begin to freeze and form a solid.
When a liquid is cooled, the rate of evaporation slows down
It freeseez.
It decreases
I assume you mean what happens to the molecules... They slow down due to the loss of kinetic energy when the liquid is cooled. When they are sufficiently cooled as to cause freezing, that's a different story.
It contracts.
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As air molecules are cooled, they condense and form a liquid, and if cooled even further, will form a solid.
this is known as liquifaction if the gas is cooled to liquid.
It freezes.
The water vapor turns into liquid water.
it turns back from a gas to a liquid
It is cooled to liquid and fed back into the boiler for reheating.