Experimental Techniques Exercise 1 Cambridge IGCSE/O level Chemistry 0620/0971/5070 Lesson 8a

2.2.2 Methods of purification
Core
•• Describe and explain methods of purification
by the use of a suitable solvent, filtration,
crystallisation and distillation (including use of
a fractionating column). (Refer to the fractional
distillation of petroleum in section 14.2 and
products of fermentation in section 14.6.)
•• Suggest suitable purification techniques, given
information about the substances involved