What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not. a mixture can vary in composition, but a pure substance has a set composition. a mixture can be made up of a single compound, but a pure substance cannot.

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Conor Case

Chemistry

28 September, 20:39

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not. a mixture can vary in composition, but a pure substance has a set composition. a mixture can be made up of a single compound, but a pure substance cannot.

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Giuliana Brennan · Answer 1

The correct answer among the choices given is the third option. The difference between a mixture and a pure substance is that a mixture can vary in composition, but a pure substance has a set composition. Examples of mixture are salt and sand mixture and an solution containing different salts. For a pure substance, an example is oxygen gas.