Other questions in this quiz

2. How can Iron be extracted

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

3. Why is Iron made into an alloy

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

4. What is reduction?

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

5. Metals that are hard to oxidise are ....

  • Found at the bottom of the reactivity series
  • Found at the top of the reactivity series
  • Do not fit in the reactivity series


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