Pure substances are further broken down into elements and compounds. ... A heterogeneous mixture is a mixture of two or more chemical substances ... Various separation techniques exist in order to separate matter, including ... substanceA form of matter that has constant chemical composition and characteristic properties ...
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Pure substances are further broken down into elements and compounds. ... A heterogeneous mixture is a mixture of two or more chemical substances ... Various separation techniques exist in order to separate matter, including ... substanceA form of matter that has constant chemical composition and characteristic properties ...
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