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how is a pure substance different from a mixture? A:a pure substance is heterogeneous B:a mixture is made of one substance C:mixtures cannot be separated by physical means D:pure substances cannot be separted
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how is a pure substance different from a mixture? A:a pure substance is heterogeneous B:a mixture is made of one substance C:mixtures cannot be separated by physical means D:pure substances cannot be separted by physical means

User Nathan Gouy
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7 votes
I believe it's D:pure substances cannot be separated by physical means
but I'm not quite sure.
User NBC
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