Other questions in this quiz

2. Why does it cost so much to extract aluminium?

  • Very expensive- lots of heat and electricty is needed
  • Very rare
  • It is worth a lot of money
  • Have to pay the people to extract the metal

3. Why can Aluminium not be displaced by carbon

  • aluminium is too strong
  • Aluminium is more reactive than carbon
  • aluminium is an expensive metal
  • aluminium is less reactive than carbon

4. How do we extract aluminium?

  • Dig up its ore from the crusts of the earth
  • Using electrolysis
  • Displace it using carbon
  • strongy heat it in a blast furnace

5. Why is aluminium so useful?

  • It resists corrosion and is very light
  • very cheap and there is lots of it
  • Very strong
  • can be used to make cars

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