Question

What is meant by a pure substance given example

Answer 1

Pure substances are defined assubstances that are made of only one type of atom or molecule. The purity of asubstance is the measure of the extent to which a given substance is pure. The physical properties of a pure substanceinclude well-defined melting and boiling points.

Answer 2

Pure substance have a definite chemical composition and definite physical and chemical properties that are homogeneous

Exaples are gold and sodium chloride

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