Starter quiz

  • Which of these materials are in the liquid state at room temperature (20 ºC)?
    Which of these materials are in the liquid state at room temperature (20 ºC)?
    • brick
    • vinegar  ✓
    • water  ✓
    • oxygen
  • What is the name of the process when a substance changes from the solid to the liquid state?
    What is the name of the process when a substance changes from the solid to the liquid state?
    • condensing
    • boiling
    • melting  ✓
    • freezing
  • When a solid dissolves in a liquid, a <span class="blank">______</span> is produced.
    When a solid dissolves in a liquid, a ______ is produced.
    • 'solution' ✓
  • In a solution, when a solid dissolves in a liquid…
    • you can see small pieces of the solid within the liquid.
    • you can see small pieces of the solid floating on the liquid.
    • you cannot see any of the solid.  ✓
  • Match the following key words to their definition.
    • soluble
      can be dissolved in water or another liquid ✓
    • insoluble
      cannot be dissolved in water or another liquid ✓
  • You have three mixtures of solids in front of you. Based on their appearance, which ones could be solutions?
    • a transparent, colourless liquid  ✓
    • an opaque, white liquid
    • a transparent, orange liquid  ✓
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