What are mixtures? Define homogenous and heterogeneous mixtures. Give an example of each.

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Solution

A mixture is a substance which consists of two or more elements or compounds not chemically combined together.

Mixture which has a uniform composition throughout are called homogeneous mixtures or solutions.
Example: sugar solution, alloys etc.

Mixtures, which contain physically distinct parts and have non-uniform compositions are called heterogeneous mixtures. Mixtures of sodium chloride and iron filings, salt and sulphur, and oil and water are examples of heterogeneous mixtures.

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