mixtures and seperation techniques Flashcards
(6 cards)
1
Q
What is a mixture?
A
A combination of substances not chemically bonded (e.g. air, seawater).
2
Q
What is filtration?
A
Removes large insoluble particles from a liquid (e.g. sand from water).
3
Q
What is evaporation?
A
Removes liquid to leave behind crystals of solute (e.g. salt).
4
Q
What is chromatography?
A
Separates substances based on solubility using paper and capillary action.
5
Q
What is distillation?
A
Evaporates and condenses a liquid to collect the solvent.
6
Q
What is fractional distillation?
A
Separates liquids with different boiling points.