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How do you know something is a pure substance?
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How do you know something is a pure substance?

User Ghassen
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When we speak of a pure substance, we are speaking of something that contains only one kind of matter. This can either be one single element or one single compound, but every sample of this substance that you examine must contain exactly the same thing with a fixed, definite set of properties.
User MarchingHome
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Answer: A pure substance has a definite and constant composition, like salt or sugar. A pure substance can be either an element or a compound, but the composition of a pure substance doesn't vary.

Step-by-step explanation:

User Armunin
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