Other questions in this quiz

2. Why is Iron made into an alloy

  • To make it stronger and resistant to corrosion
  • To make it easier to recycle
  • To make it shiny

3. What is corrosion?

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

4. How are most un-reactive metals found

  • In a liquid state
  • Mixed with other substances
  • On their own
  • Combined with oxygen

5. How can Iron be extracted

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


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