Explain the terms (a) melting (b) vaporization (c) condensation (d) fr

1.	Explain the terms (a) melting (b) vaporization (c) condensation (d) freezing (e) melting point (f) boiling point.
Answer» Matter can change from solid to liquid to gaseous state and back to solid state. This is called change of state of matter. (a) Melting— The process of conversion of a solid into liquid on heating. e.g. Ice to water. (b) Vaporization— The process of conversion of a liquid into vapour on heating. e.g. Water to water vapour. (c) Condensation— The process of conversion of vapour into a liquid. e.g. Water vapour to water. (d) Freezing— The process of conversion of a liquid into a solid. e.g. Water to ice. (e) Melting point— The constant temperature at which a solid melts into a liquid. M.P. of ice – 0°C. (f) Boiling point— The constant temperature at which a liquid starts boiling. B.P. of water – 100°C.

Explain the terms (a) melting (b) vaporization (c) condensation (d) freezing (e) melting point (f) boiling point.

Answer»

Matter can change from solid to liquid to gaseous state and back to solid state. This is called change of state of matter.

(a) Melting— The process of conversion of a solid into liquid on heating. e.g. Ice to water.

(b) Vaporization— The process of conversion of a liquid into vapour on heating. e.g. Water to water vapour.

(c) Condensation— The process of conversion of vapour into a liquid. e.g. Water vapour to water.

(d) Freezing— The process of conversion of a liquid into a solid. e.g. Water to ice.

(e) Melting point— The constant temperature at which a solid melts into a liquid. M.P. of ice – 0°C.

(f) Boiling point— The constant temperature at which a liquid starts boiling. B.P. of water – 100°C.