What are the characteristics property of a pure substance? Why do we need them
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The characteristic of a pure substance is that it only contains atoms of only one kind. It has fixed physical and chemical properties, for example, melting point, boiling point, density, solubility, etc.
Purity can also have an important impact on the chemical properties of a substance. Pure substances have the potential to form predictable products from chemical reactions. ... Therefore, chemists often use substances of high purity when conducting chemical research.
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