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Nature Of Mixtures

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  • What is a solvent?
    The liquid that does the dissolving
  • What is a solution?
    A mixture where a solute is evenly dissolved
  • Explain the difference between soluble and insoluble
    Soluble dissolves, insoluble does not
  • What type of mixture is the same all the way through? (Starts with H....)
    Homogeneous
  • Why does filtration work?
    Insoluble solids are trapped by filter paper
  • What is the difference between a solution and a mixture?
    A solution is evenly mixed (a type of mixture)
  • Can mixtures be separated?
    Yes
  • Is salt water a mixture or pure substance?
    Mixture
  • What is a solute?
    The substance that is dissolved
  • Why is air considered a mixture?
    It is made of different gases
  • Name a method to separate sand from water
    Filtration / decanting
  • Is sand and water homogeneous or heterogeneous?
    Heterogeneous
  • Why can mixtures be separated physically?
    Substances are not chemically bonded
  • What type of mixture can you see different parts in? (Starts with H.....)
    Heterogeneous
  • What is a mixture?
    Two or more substances physically combined
  • Give one example of a mixture
    e.g. air, salt water, sand + water
  • How could you separate salt from salt water?
    Evaporation
  • What does “insoluble” mean?
    Cannot dissolve
  • Give one example of a heterogeneous mixture
    e.g. sand + water
  • What happens during evaporation?
    Liquid turns to gas, leaving solute behind
  • What is concentration?
    Amount of solute in a solution
  • Give one example of a homogeneous mixture
    e.g. salt water, air
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