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

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

  • impossible
  • reduction
  • oxidation


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