Other questions in this quiz

2. How are most metals extracted by their ores?

  • Using a chemical reaction
  • Reduction
  • Using heat the thermally decompose it?
  • Electrolysis

3. Reduction with carbon can only be done to elements...

  • Higher in the reactivity series
  • Lower in the reactivity series
  • Near carbon in the reactivity series

4. What is a metal ore?

  • A rock which contains a mixture of three metals or more
  • A rock which contains enough metals which is worth the metal being extracted
  • A metal block which contains diamonds throughout it
  • A rock with little or no ore

5. The two main chemical reactions are called?

  • Reduction and Electrolysis
  • Thermal decomposition & Magnification
  • Magnification & Electrolysis
  • Thermal decomposition & Reduction

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