Other questions in this quiz

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

  • smelting
  • electrolysis

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

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

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

  • calcium
  • magnesium
  • potassium
  • sodium

5. what is limestone mainly made of?

  • carbon dioxide
  • calcium carbonate
  • calcium oxide
  • lime


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