Purification techniques Flashcards
1
Q
to separate insoluble substances from solutions or a liquid
A
Filtration
2
Q
To recover the solute from a solution from a solution by allowing the solvent to evaporate
A
Crystallisation
3
Q
To separate the solvent from a solution (eg. pure water from salt water) or liquids with different boiling points.
A
Distillation
4
Q
If the liquids are immiscible
A
Separating funel
5
Q
An adaptation of distillation and is used for more complex mixtures.It gives better separation by using a fractioning column which has a larger temperature range from top to bottom.
A
Fractional distillation
6
Q
To remove iron from a mixture
A
using a magnet