Nt C6 Compress

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Solutions and Suspensions

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Nt C6 Compress

  1. 1. Solutions and Suspensions
  2. 2. What is a Solution? <ul><li>A solution is a mixture in which the constituents are evenly mixed. </li></ul>solute solvent e.g. sugar + water --> sugar solution solute + solvent --> solution
  3. 3. 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
  4. 4. Water as a Solvent <ul><li>Water is a common solvent as many substances dissolve in it </li></ul><ul><li>However, some substances do not dissolve in water e.g. glue and paint. </li></ul>
  5. 5. What is Solubility? <ul><li>Solubility is the </li></ul><ul><li>measure of the amount </li></ul><ul><li>of solute that can </li></ul><ul><li>dissolve in a </li></ul><ul><li>solvent. </li></ul>
  6. 6. Factors that affect solubility <ul><li>The nature of the solute </li></ul><ul><li>The nature of the solvent </li></ul><ul><li>Temperature </li></ul>
  7. 7. What is Rate of Dissolving? <ul><li>The rate of dissolving is a measure of how fast a solute can dissolve completely in a solvent. </li></ul>
  8. 8. Factors that affect Rate of Dissolving <ul><li>Temperature </li></ul><ul><li>Rate of stirring </li></ul><ul><li>Surface area of solute </li></ul>
  9. 9. Properties of Solutions <ul><li>Solute mix completely and evenly in solvent </li></ul><ul><li>Light can pass through </li></ul><ul><li>Filter paper cannot be used to separate solute from solvent </li></ul>
  10. 10. Common examples and uses Everyday use: Washing clothes Solution Solvent Solute Soap water solution = Water + Soap
  11. 11. Common examples and uses Everyday use: Sweetening tea and coffee Solution Solvent Solute Sugar syrup = Water + Sugar
  12. 12. What is a Suspension? <ul><li>A suspension is formed when a solid does not dissolve in a liquid. </li></ul>
  13. 13. What are Suspensions <ul><li>Suspensions are mixtures of small insoluble particles in a liquid or gas. </li></ul>e.g. Flour water is a suspension.
  14. 14. How do we create a Suspension? Sandy water suspension Suspension = Water + Sand = Solvent + Insoluble substance
  15. 15. Properties of Suspensions <ul><li>Suspended particles do not mix completely and evenly </li></ul><ul><li>Light cannot pass through </li></ul><ul><li>Filter paper can be used to separate the suspended particles from the suspension </li></ul>
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