1. Crystallisation
   1. dissolved solid
      1. evaporation
      2. crystallisation
   2. saturated solution
      1. solution holds as much solute as it can
      2. next stage crystallise
   3. How to grow crystals (follow hyperlink)
   4. NB may use flame direct onto a crucible
2. Mixtures
   1. no chemical reaction
   2. separated easily
3. Filtration
   1. solid from a liquid
      1. coffee grounds from coffee
      2. filter paper
         1. seive
         2. tiny holes
4. Distillation
   1. separate 2 or more liquids
   2. separates mixtures
   3. different boiling points
   4. fractional distillation
   5. fractions / separates
   6. oil refining
5. compounds
   1. joined together
      1. chemical reaction
   2. separated
      1. chemical reaction
   3. properties
      1. different to components
6. Paper Chromotography
   1. separate soluble solids
      1. coloured substances
      2. inks / dyes
      3. chroma = colour
   2. solvent
      1. water
      2. other
      3. spreads on filter paper
         1. different dyes
            1. carried different speeds
   3. uses
      1. food industry
      2. forensic science