Define the term solution. How many types of solutions are formed? Write briefly about each type with an example.

Solution: A Solution is a homogeneous mixture of two or more chemically non-reacting substances. Types of solution: There are nine types of solution. Types of Solution Examples
Gaseous solutions:
(a) Gas in gas: Air, mixture of and , etc.
(b) Liquid in gas: Water vapour
(c) Solid in gas: Camphor vapours in gas, smoke etc. Liquid solutions
(a) Gas in liquid: dissolved in water (aerated water), and dissolved in water, etc.
(b) Liquid in liquid: Ethanol dissolved in water, etc.
(c) Solid in liquid: Sugar dissolved in water, saline water, etc.
Solid Solutions
(a) Gas in solid: Solution of hydrogen in palladium
(b) Liquid in solid:Amalgams,eg.Na-Hg.
(c) Solid in solid: Gold ornaments ( with ).