Final answer:
Mixtures in chemistry are physical blends where components retain their properties and can be separated. Examples include soil and ocean water. Heterogeneous mixtures, like mixed nuts, exhibit varying compositions.
Explanation:
Mixtures are physical combinations of more than one substance where each component retains its own properties and can be separated by physical methods. Unlike compounds, mixtures do not involve bonding among atoms, allowing for easy separation. For example, table salt mixed with ground pepper can be visibly separated back into pure salt and pepper.
In mixtures, the components maintain their individual identities, showcasing their characteristic properties. Examples of mixtures include soil, ocean water, air, and the cytosol of a cell. The uniformity of composition in mixtures varies, with heterogeneous mixtures like mixed nuts having different compositions in different samples.
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