Question

what doyou mean by pure and impure substances

Answer 1

pure substance is a substance which cannot be broken. while impure substance can be broken .
pure substance are made up of one type of atom or molecule . while impure substance are made up of different atom or molecules.

Answer 2

hey..
any material that is not a mixture is called a pure substance..nd Impure Materials may be mixtures of elements, mixtures of compounds, or mixtures of elements and compounds...
hopes help..
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