year 7 chem particles and seperation techniques

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  • particles and separation techniques
    • top five definitions
      • distillation
        • dissolving
          • filtration
            • this is when you separate sand and water (for example) by putting filter paper on the top of a glass and then the water pours through leaving the sand at the top
          • when you put a solid in a liquid then leave the particles to break apart so small you can hardly see it
        • this is when you  use evaporation and condensation to create a solvent from a solution.


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