Properties of Solutions

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Transcript

  • 1. Solutions and Suspensions
  • 2.
    • Solutions are mixtures in which soluble particles are completely dissolved in a liquid or gas.
    What are Solutions?
  • 3. How do we create a solution?
    • Solute + Solvent = Solution
    • Example: salt + water  salt solution
    • (solute) (solvent)
    The solid which fully dissolves The liquid which is used to dissolve the solid
  • 4. Properties of Solutions
    • Homogeneous (solvent & solute particles evenly spread throughout the solvent)
    • No residue (undissolved solid) is left after
    • filtration
  • 5. Properties of Solutions
    • No separation of
    • solute and solvent
    • when left to stand
    • Light is able to completely pass through a solution
  • 6. Dissolving solid to form a solution
    • When a solid dissolves to form a solution, the solute particles separate and mix evenly with the solvent particles.
  • 7. Uses of solutions in Homes
    • Soap and detergent are dissolved in water to help us wash our laundry.
    • Syrups are dissolved in the water to make drinks.
    • Salt, sugar and other condiments are dissolved in liquids when we cook.
  • 8. Uses of solutions in Industries
    • Dyes are dissolved in water to produce colourful fabrics.
    • Oils from plants and flowers are dissolved in alcohol to produce perfumes.
  • 9. Types of solutions State of solute State of solvent Examples of solution solid solid
    • Alloys
    • Bronze (tin dissolved in copper)
    • Steel (iron, carbon + others)
    • Brass (zinc dissolved in copper)
    gas gas Air (oxygen, carbon dioxide, noble gases dissolve in nitrogen)
  • 10. Types of solutions State of solute State of solvent Examples of solution Solid Liquid
    • Amalgam
    • ( silver, tin, gold or copper dissolves in mercury)
    • Sugar solution
    • (sugar dissolves in water)
    Liquid Alcoholic drinks (alcohol dissolves in water) Gas Aerated (Gas dissolved in water)