Other questions in this quiz

2. what is limestone mainly made of?

  • lime
  • calcium carbonate
  • carbon dioxide
  • calcium oxide

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

  • calcium
  • magnesium
  • potassium
  • sodium

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

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

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

  • smelting
  • electrolysis

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