Other questions in this quiz

2. Where are most ores found

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

3. What is oxidation?

  • The decomposition of ionic compounds
  • The gain of oxygen
  • The decomposition of a carbonate
  • The loss of oxygen

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 ...

  • impossible
  • reduction
  • oxidation


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