FILTRATION AND CRYSTALLISATION

FILTRATION AND CRYSTALLISATION

1. FILTRATION

   • USEDTO SEPARATE AN INSOLUBLE SOLID FROM A LIQUID
   • CAN BE USED IN PURIFICATION AS WELLL

2. CRYSTALLISATION

   • INSTRUCTIONS
     • 1) POUR SOLUTION INTO AN EVAPORATING DISH
       • 2)SLOWLY HEAT THE SOLUTION STOP HEATING WHEN CRYSTALS START TO FORM
         • 3) REMOVE THE DISH FROM THE HEAT AND LEAVE IN WARM PLACE FOR THE REST OF THE SOLVENT TO SLOWLY EVAPORATE
           • 4) DRY THE PRODUCT

3. SEPARATION OF ROCK SALT

   • ROCKSALT IS A MIXTURE OF SALT AND SAND
   • INSTRUCTIONS
     • 1) GRIDING
       • GRID UP THE ROCK SALT WITH A PESTLE AND MORTAR
       • 2 DISSOLVING
         • DISSOLVE IN BEAKER OF WATER AND STIR
         • 3) FILTERING
           • FILTER THROUGH FILTER PAPER IN A FUNNEL
           • 4) CRYSTALLISATION
             • EVAPORATE IN AN EVAPORATING DISH