Author: swati nigam

•Explain, with illustrative examples, why pure substances are needed.
•Describe methods of separation and purification for the components of solid-solid, solid-liquid and liquid-liquid (miscible) mixtures.
•Describe techniques for separation and purification including use of a suitable solvent, filtration, crystallisation, simple distillation, fractional distillation and paper chromatography.

•Describe paper chromatography and interpret chromatograms.
•Deduce from the given melting point and boiling point, the identities of substances and their purity.

See More
Try a College Course Free

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

Begin Free Trial
No credit card required

28 Sophia partners guarantee credit transfer.

253 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 22 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.