Separation techniques

• Learning objectives for Mixtures

  • Describe mixtures
  • Identify pure substances
  • Find out if a sample of a substance is a mixture
  • Work out the percentage of components in a mixture
• Toothpaste is a mixture made up of several different substances that are not chemically joined together
• Most mixtures do not have a sharp melting point
• Mustard rocks are mediums
• Chapter 2 Separation techniques


  Separation techniques
• Learning objectives for Solutions

  • Describe solutions using key words
  • Use the particle model to explain dissolving
• A solution is a mixture of a liquid with a solid or gas where all parts are the same and not visibly separate
• The solute dissolves in the solvent in a solution
• Water is not the only solvent, and gases can dissolve
• Learning objectives for Solubility

  • Imagine a glass of water
  • Find out how to dissolve more salt
  • Understand how temperature affects solubility
• Learning objectives for Filtration

  • Understand how filtration works
  • Describe how to filter a mixture
• The pictures show filtration or filtering processes
• Solubility puzzle


  • Look at the pictures. What do they have in common?
• Filtering


  • How does filtering work
• The pictures show Nitration on or filtering sports
• A Stane
• Filtering


  Pouring the mixture as the particles are smaller than the caught
• Kerboodle - Activate - Course X
• Activate 2 Kerboodle Book
• Matha file a mixture of glitter and water. Name the Strate and the residue
• How is filtration useful?
• Separating a solution from an insoluble
• For many centuries, people have obtained salt from seawater. How do they do this?
• When else is filtration useful?
• Ancient filters
• He died some of the caffeine dla apparates
• What is distillation?
• How could you get water safe to drink?
• You could use distillation City evaporator and conders in the factory you can use the apar bebo
• How does chromatography work?
• Do you like sugar-coated chocolates? Which is your favourite colour?
• The coloured crunchy cous contain etures of dyes You rost which doma in whi chromatography s Cvematography sep A State stal chraphy does
• How is chromatography useful?