Question #b68a8
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Mixture: two or more substances.
Explanation:
In the classification of matters, we can distinguish two groups:
Mixture and pure substance.
A mixture is formed when two or more pure substances are mixed together.
For example:
Water is a pure substance. Sodium chloride
When
Water and sand form another mixture which is called heterogeneous mixture . We say Heterogeneous because we can see two distinct phase the water and sand.
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Substances have a fixed composition; mixtures have a variable composition.
Explanation:
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