Principle purpose of this lecture is to present on Mixtures in Properties of Matter. Here briefly present on what is a mixture; how can it be separated and can you provide another example. In chemistry, a mixture is a material system made up of two or more different substances which are mixed but are not combined chemically. A mixture refers to the physical combination of two or more substances on which the identities are retained and are mixed in the form of solutions, suspensions, and colloids.