What is Mixture?

A mixture consists of more than one element or compound. The components of a mixture can be separated by physical methods. 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 in which the identities are retained and are mixed in the form of solutions, suspensions, and colloids.

The constituents of mixtures can be elements or compounds or both. In samples of a given mixture, the constituents may be present in different proportions e.g different samples of cement contain variable proportions of calcium and aluminium trioxosilicate(IV). The constituents of mixture retain the individual identities because their physical and chemical properties are not changed by simple mixing.

Mixtures can be either homogeneous or heterogeneous. A homogeneous mixture is a type of mixture in which the composition is uniform and every part of the solution has the same properties. A heterogeneous mixture is a type of mixture in which the components can be seen, as there are two or more phases present. One example of a mixture is air. Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances. Salt, sugar, and many other substances dissolve in water to form homogeneous mixtures. A homogeneous mixture in which there is both a solute and solvent present is also a solution. Mixtures can have any amounts of ingredients.

Examples of Mixtures…

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