seperation of mixtures

Cards (11)

  • Mixture is a combination of two or more substances or compounds
  • Separating mixtures is important to properly use and benefit from the individual components
  • Hand picking
    Physical manipulation or manual separation of components of a mixture
  • Decantation
    Technique used to separate less dense substances from denser ones by leaving the mixture undisturbed and pouring off the less dense substance
  • Filtration
    Technique to separate an insoluble solid from a liquid using a filter like mesh cloth or filter paper
  • Sieving or sifting
    Separating mixtures with big and fine components using a strainer or screen
  • Winnowing
    Separating unwanted particles from a mixture by throwing it in the air and letting the wind blow the unwanted particles away
  • Magnetic separation
    Separating metals from non-metals by using a magnet to attract the metallic components
  • Evaporation
    Separating a soluble solid from a liquid by using heat to evaporate the liquid
  • Distillation
    Separating liquids from a solution based on differences in boiling points, the vapour is collected and condensed
  • Chromatography
    Separating components of a mixture based on their ability to be drawn across the surface of another material