Nt C6 Compress
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Nt C6 Compress

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Solutions and Suspensions

Solutions and Suspensions

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    Nt C6 Compress Nt C6 Compress Presentation Transcript

    • Solutions and Suspensions
    • What is a Solution?
      • A solution is a mixture in which the constituents are evenly mixed.
      solute solvent e.g. sugar + water --> sugar solution solute + solvent --> solution
    • Different Types of Solution Air Gas Gas Fizzy drinks Gas Alcoholic drinks Liquid Sugar solution Solid Liquid Brass Solid Solid Example of solutions State of solute State of solvent
    • Water as a Solvent
      • Water is a common solvent as many substances dissolve in it
      • However, some substances do not dissolve in water e.g. glue and paint.
    • What is Solubility?
      • Solubility is the
      • measure of the amount
      • of solute that can
      • dissolve in a
      • solvent.
    • Factors that affect solubility
      • The nature of the solute
      • The nature of the solvent
      • Temperature
    • What is Rate of Dissolving?
      • The rate of dissolving is a measure of how fast a solute can dissolve completely in a solvent.
    • Factors that affect Rate of Dissolving
      • Temperature
      • Rate of stirring
      • Surface area of solute
    • Properties of Solutions
      • Solute mix completely and evenly in solvent
      • Light can pass through
      • Filter paper cannot be used to separate solute from solvent
    • Common examples and uses Everyday use: Washing clothes Solution Solvent Solute Soap water solution = Water + Soap
    • Common examples and uses Everyday use: Sweetening tea and coffee Solution Solvent Solute Sugar syrup = Water + Sugar
    • What is a Suspension?
      • A suspension is formed when a solid does not dissolve in a liquid.
    • What are Suspensions
      • Suspensions are mixtures of small insoluble particles in a liquid or gas.
      e.g. Flour water is a suspension.
    • How do we create a Suspension? Sandy water suspension Suspension = Water + Sand = Solvent + Insoluble substance
    • Properties of Suspensions
      • Suspended particles do not mix completely and evenly
      • Light cannot pass through
      • Filter paper can be used to separate the suspended particles from the suspension