Other questions in this quiz

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

  • smelting
  • electrolysis

3. what is limestone mainly made of?

  • calcium carbonate
  • lime
  • calcium oxide
  • carbon dioxide

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

  • reduction with carbon
  • reduction
  • electrolysis

5. if water is added to a substance you get calcium hydroxide, what is this substance?

  • calcium oxide
  • calcium carbonate
  • calcium hydroxide
  • cardon dioxide

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