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How is a pure substance different from a mixture?????

Apure substances are made of mixtures
BA pure substance is heterogeneous
CA mixture is made of one substance
DMixtures can be separated by physical means

Verified Answer :

The correct answer would be:

D. Mixtures can be separated by physical means. 

dasetka

A pure substance is different from a mixture because D. mixtures can be separated by physical means. You can eliminate all of the other answers to find this out. A is incorrect because a pure substance is just that, a pure substance, while a mixture is multiple substances. B is incorrect because a pure substance is one substance, while heterogeneous is a type of mixture, which has multiple substances. And C is incorrect because a mixture is a blend of 2 or more substances.

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