Q. 64.0( 159 Votes )

How would you con

Answer :

A pure substance is made up of only one kind of particles. All the constituent particles of a pure substance are the same in their chemical nature. These particles may be atoms or molecules. Pure substances have fixed melting or boiling point. In order to confirm that a colourless liquid is pure water, we can check its boiling point. Pure water boils at 100°C at atmospheric pressure. If this liquid also boils at 100°C then its is pure water.


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