zbmccullough zbmccullough

17-10-2017
Chemistry

contestada

How is a pure substance different from a mixture?

A. Pure substances cannot be separated by physical means.
B. Mixtures cannot be separated by physical means.
C. A pure substance is heterogeneous.
D. A mixture is made of one substance.

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digital4danceki digital4danceki

23-10-2017

Yup he is wrong I took the test

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