Need chemistry help to distinguish between pure and impure substances

Chemistry
Tutor: None Selected Time limit: 1 Day

distinguish between pure and impure substances;

Dec 24th, 2015

Thank you for the opportunity to help you with your question!

A pure substance consists of particles of only one kind.

IT has certain characteristics such as specific temperature for boiling point,freezing point,melting point..

cannot be separated by using physical methods.

Impure substance has particles of other substances mixed in it.

one of the impure particles has individual properties.some properties doesn't change after mixed.

but the boiling temperature and freezing point may changed.

can be separated by using physical methods.



Please let me know if you need any clarification. I'm always happy to answer your questions.
Dec 24th, 2015

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