Other questions in this quiz

2. Where are most ores found

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

3. What is corrosion?

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

4. How can Iron be extracted

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

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

  • reduction
  • oxidation
  • impossible


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