Separation Methods for Mixtures

Question 1

filtration-solid/liquid separation

Answer 1

• solids are readily separated from liquids by passing the mixture through a filter, which is a porous barrier
• solids are insoluble in the liquid

Question 2

distillation-liquid/liquid separation

Answer 2

• based on differences in boiling points

- liquids are miscible (dissolve) in one another

Question 3

decantation

Answer 3

• liquids are immiscible (do not dissolve) in one another and have different densities
• simply separate by pouring one liquid on top of the other

Question 4

evaporation-solid/liquid separation

Answer 4

• solid is soluble (dissolves in liquid)
• solid is the solute (substance dissolved)
• liquid is the solvent (substance in excess)

Question 5

chromtaography

Answer 5

• separates substances based on their interactions with a mobile phase and a stationary phase
• mobile phase is usually a liquid or gas
• stationary phased is a solid

Question 6

separating mixtures

Answer 6

• filtration, distillation, evaporation, chromatography, soluble, insoluble, miscible, immiscible, filtrate, distillate, condenser, evaporation dish, solute, solvent