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Students in a science classroom were given two vials. One vial contained a mixture and the other vial contained a pure substance. What is the main difference between a mixture and a pure substance.
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Students in a science classroom were given two vials. One vial contained a mixture and the other vial contained a pure substance. What is the main difference between a mixture and a pure substance.

User Mahesh Meniya
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A pure substance contains only one kind of molecule, and a mixture is a combination of two or more pure substances.
User Arron S
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