1.

Define- vaporisation,melting point,boiling point and sublimation

Answer»

Vaporisation - Vaporization (or VAPOURISATION) of an element or compound is a phase transition from the liquid phase to vapor. 

Melting POINT - the TEMPERATURE at which a given solid will melt.

Boiling point - the temperature at which a liquid boils and turns to vapour.

Sublimation - Sublimation is a chemical PROCESS where a solid turns into a gas WITHOUT going through a liquid stage.

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