Other questions in this quiz

2. The extraction of a metal from its ore is ...

  • impossible
  • reduction
  • oxidation

3. What is corrosion?

  • The oxidation of metals
  • Dissolving substances in acid
  • Absorption of Carbon dioxide in Sea water

4. Where are most ores found

  • Near rowing boats
  • In the core of the Earth
  • In the crust of the Earth
  • On Mars

5. How can Iron be extracted

  • By heating Iron oxide strongly with carbon
  • By crushing and filtering
  • By Electrolysis


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