Chemistry
(a) Define 'mixture'.
(b) List four characteristics of a mixture.
Elements, Compounds & Mixtures
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Answer
(a) Mixtures can be defined as impure substances which are formed by mixing two or more pure substances (elements and/or compounds) in any proportion such that, they do not undergo any chemical change and retain their individual properties.
(b) Four characteristics of a mixture :
- A mixture consists of two or more substances mixed together without any chemical force acting on or between them.
- Mixtures do not have any fixed composition, i.e. they can have their components in varying proportions.
- In mixtures, components are loosely held together and they retain their individual properties.
- A mixture has no definite set of properties.
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