Explain the interconversion Of three states of matters.
Answers
Explanation:
Answer: The interconversion from solid to liquid is Fusion or Melting and from liquid to solid is termed as Freezing. The interconversion from liquid to gas is termed as vaporization and from gas to liquid is termed as condensation. The interconversion from gas to solid and vice versa is sublimation.
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→ All matter can change from one state to another. This is called interconversion of matter. Matter can move from one state to another when specific physical conditions change, the physical conditions such as temperature and pressure of the substance. There are three types of matter: solid, liquid and gases. The interconversion of state of matter occurs by different processes.
→ The processes include are :-
(1) Vaporization: It is a phase transition from the liquid phase to vapour. Boiling point is the temperature at which liquid changes to vapour. For example: Boiling of water. Water changes to vapours at 100∘C.
(2) Freezing also known as solidification: It is a state transition in which a liquid changes to solid when its temperature is lowered below its freezing point. Freezing point is the temperature at which liquid changes to solid. Water turning to ice is one such example of freezing.
(3) Sublimation: The change from solid state to vapour state without passing through the liquid state and vice-versa is called sublimation and the substance is called sublime. Example: Dry ice ( solid CO2 ) and iodine sublimes.
(4) Melting: The temperature at which a given substance changes from a solid to a liquid is called its melting point. Example: Ice melts at 0∘C.
We know that, the Properties of matter are
=> States of matter are interconvertible by applying heat and pressure to them.
=> Liquids on further heating get converted into gases.
=> When solids are heated, the intermolecular force of attraction between particles decreases and they get converted into liquids.
=> Gases do not have any fixed shape and volume because intermolecular force of attraction is almost negligible or zero.