Question

What is pure substance and impure substance??

Answer 1

PURE SUBSTANCE ARE THOSE SUBSTANCES
THOT HAVE ONLY ONE KIND OF ATOM.EX-
GOLD,SILVER ETC
IMPURE SUBSTANCE ARE THOSE SUBSTANCE THAT HAVE MORE THAN ONE TYPE OF ATOM.EX-BRASS,BRONZE ETC

Answer 2

This is your answer

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■ Pure Substance :》 A pure substance can be defined as a material which contains only one type of atoms or molecules.
EXAMPLE :- oxygen (o) ; potassium (k) etc...

■ Impure Substance :》 A impure substance is a material which contains two or more different kind of particles (atoms / molecules ) .Which do not react chemically but are physically mixed together in any proportion ( measure ).

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Hope this helps. . . . .