Q.1
When a material is dissolved, what does it make?
  • A new substance or material
  • A gas
  • A force
  • A solution
Q.2
Which of the following statements is true?
  • There is no limit to the amount of a particular material that can be dissolved by a liquid
  • Hot liquid will be able to dissolve more of the solute
  • Water can dissolve more of some materials than of other materials
  • Different variables affect how much material a solvent can dissolve
Q.3
If you mixed sand, sugar and water, which material would dissolve?
  • Sand
  • Sugar
  • Sand and sugar
  • Neither sand nor sugar
Q.4
Sieving would separate which of these mixtures?
  • Salt and water
  • Sand and salt
  • Sand and gravel
  • Soil and salt
Q.5
Which of these processes would you use to separate salt from the water in which it has been dissolved?
  • Filtration
  • Evaporation
  • Sieving
  • Suspension
Q.6
What is a mixture?
  • A pure element
  • A material resulting from a chemical reaction
  • A chemical compound
  • The combination of two or more materials (substances)
Q.7
Which of these would help sugar dissolve more quickly in coffee?
  • Using hot coffee
  • Using cold coffee
  • Using cold sugar
  • Not disturbing the sugar as it dissolves
Q.8
What is a solvent?
  • The material which has been dissolved in a liquid
  • The liquid in which a material has been dissolved
  • The particles remaining in suspension
  • The material left after evaporation
Q.9
What is a suspension?
  • A mixture created by combining two liquids
  • A mixture of two gasses
  • A clear solution
  • A mixture of a solid and liquid, where the solid will not dissolve in the liquid
Q.10
Which of these materials would dissolve in water?
  • Icing sugar
  • Gelatine crystals
  • A candle
  • Sea salt
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