Starter quiz

  • True or false? Solids that do not dissolve in a liquid are called insoluble.
    • True ✓
    • False
  • What is the process of changing a liquid into a vapour (gas) called?
    • 'evaporation' ✓
  • True or false? When a solution is heated, the solvent evaporates more slowly.
    • True
    • False ✓
  • Which properties below would be helpful in separating a mixture of substances?
    • Smell of the substances.
    • Boiling points of the substances.  ✓
    • Colour of the substances.
    • Solubility of the substances.  ✓
  • True or false? All liquids have the same boiling point of 100℃.
    • True
    • False ✓
  • In a mixture of two liquids with very different densities, the less dense liquid will ...
    • float on top  ✓
    • sink to the bottom
    • mix with the other liquid
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