separation techniques Flashcards
what physical property does filtration exploit
particle size
what physical property does sieving exploit
grain size
what physical property does decantation exploit
density of matter
what physical property does distillation exploit
boiling point
what physical property does magnetic separation exploit
magnetic properties
what physical property does evaporation exploit
boiling point
what barrier does filtration take place through
a semi permeable filter
what physical property does crystallisation exploit
solubility
solutes are normally soluble in hot liquids. when the solution cools, the solute will form __. this is known as __
crystals, crystallisation
decantation involves the use of __ to separate __
gravity, liquids
true or false: in decantation, the heavy liquid is sucked off while the lighter liquid is drained
false, the lighter liquid is sucked off while the heavy is drained
what techniques vapourises liquid and condenses it separately?
distillation