Solution,Suspension and separation techniques

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  • Mixtures are separated by physical methods-The substances in a mixture are separated without changing into new substances.

Methods of separation:

  • Magnetic attraction
  • Filtration
  • Evaporation 
  • Distillation
  • Paper chromatography

Magnetic Attraction

  • Used to separate magnetic materials from non magnetic materials


  • Used to separate an insoluble solid from a liquid
  • The solid that remains on the filter paper is called the residue.The liquid that passes through is called the filtrate


  • Used to separate a dissolved solid from a solution


We cannot separate sugar by filtration as the dissolved sugar is able to pass through the filter paper.In order to obtain the sugar from the sugar solution,we use


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