How can you distinguish a pure substance from an impure substance?
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a pure substance is homogeneous and dissolves in water if it is a solute....but an impure substance is heterogeneous and doesn't dissolve though it is a solvent....pure substances also don't have any mixture content.
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Hi frnd,
we say that a matter is pure or impure
Pure substances
Elements and compounds are pure substances.
1. A pure substance has uniform composition and properties in all its parts, as it consists of particles of only one kind. For example, sugar and salt are pure substances.
Impure substances
Mixtures are impure substances.
1. A substance is said to be impure if it has particles of other substances mixed in it.
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