Define Melting.
A process in which a substance changes from solid to a liquid.
ICSE
Define Vaporization.
A process in which a substance changes its state from the liquid to the gaseous state without boiling.
Define Boiling .
A process in which a substance changes its state from the liquid state to gaseous state.
What are the three types of matter ?
Solid Liquid Gases
Define Force of Adhesion.
It is the force of attraction between the molecules of two different substances.
Define Force of cohesion.
It is the force of attraction between the molecules of the same substances.
What are the different types of intermolecular force ?
There are two types of intermolecular force:- Force of cohesion Force of adhesion
Define Molecule.
A Molecule is defined as the smallest unit of matter, which has an independent existence and can retain complete physical and chemical properties of the matter.
Define Atom.
An atom is defined as the smallest unit of matter which may or may not have an independent existence.
Define Element.
An Element is a substance, which cannot be subdivided into two or more simpler substances by any chemical means.