Other questions in this quiz

2. elements below carbon in the reactivity series are extracted using...

  • electrolysis
  • reduction with carbon
  • reduction

3. what is the most reactive element in the reactivity series?

  • magnesium
  • potassium
  • calcium
  • sodium

4. what is limestone mainly made of?

  • carbon dioxide
  • lime
  • calcium carbonate
  • calcium oxide

5. when the copper ore is heated in a furnace, what is this called?

  • smelting
  • electrolysis


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