Science, asked by raziaatiq123, 3 months ago

Q5: Define the following terms.
Melting
freezing
boiling
condensation​

Answers

Answered by Tiachaudhary
3

Answer:

▶Melting, change of a solid into a liquid when heat is applied. In a pure crystalline solid, this process occurs at a fixed temperature called the melting point; an impure solid generally melts over a range of temperatures below the melting point of the principal component.

▶Freezing is a phase transition where a liquid turns into a solid when its temperature is lowered below its freezing point. In accordance with the internationally established definition, freezing means the solidification phase change of a liquid or the liquid content of a substance, usually due to cooling.

▶Boiling is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling point, the temperature at which the vapour pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding atmosphere

▶Condensation is the process where water vapor becomes liquid. It is the reverse of evaporation, where liquid water becomes a vapor. Condensation happens one of two ways: Either the air is cooled to its dew point or it becomes so saturated with water vapor that it cannot hold any more water.

Explanation:

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Answered by saikatkundu42
2

Melting - The change in state from solid to liquid upon heating is called melting. Example- ice changing into water.

Freezing - The change in state from liquid to solid upon cooling is called freezing. Example- Water changing into ice.

Boiling - Heating a liquid. Example- Heating water.

Condensation- Change in state from vapour to liquid upon cooling is called condensation. Example- Vapour changing into water upon cooling.

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