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Mixtures (Distillation (Fractional Distillation (E.g crude oil at a…

- - - - 1.draw a line on filter paper with pencil
        
        pencil insoluble in solvent
      - Add spot of ink to line
      - place in beaker of solvent
        
        solvent used depends on what is being tested
      - Make sure ink isn't touching the solvent
      - Place lid to stop evaporating
      - solvent seeps up, carrying the ink with it
      - Each dye will move at different rate and seperate out
      - Any insoluble ink will not move
      - When sovent reache near top, take out and let dry
      - End pater called chromatogram
- - - - Filteration
      - can be used for purification as well
    - - Evaporation
        
        pour solution in evaporating dish
        
        Slowly heat, solvent will evaporate, get more concentrated
        
        3.Keep heating till left with dry crystals
        
        only use if salt not decompose when heated, use crystallisation
      - Crystillisation
        
        pour solution in evaporating dish
        
        Slowly heat, solvent will evaporate, get more concentrated
        
        once some solvent evaporated or see crystal, let cool
        
        form crystals as salt becomes insoluble in cold, high conc.
        
        filter crytals and leave to dry
  - - - Grinding mixture help dissolve salt
      - Dissolve in water, salt will sand won't
      - Filtering , grain of sand can't pass
      - Evaporation, so form dry crystals