Other questions in this quiz

2. What is thermal decomposition

  • When a substance heats up and breaks down
  • When a substance reaches 100 degrees centergrade
  • When a substance is heated to its highest melting point
  • When a substance is heated so much it disintorgrates

3. What is the main substance in limestone

  • copper carbonate
  • calcium carbonate
  • magnesium carbonate
  • sodium carbonate

4. Calcium Hydroxide can be used to make limewater. how?

  • Dissolve calcium hydroxide in water
  • Heat the calcium hydroxidee in a limekiln
  • Heat calcium hydroxide in liquid copper
  • Mix calcium hydroxide with magnesium in a furncace

5. What is the main substances fomula

  • CAco3
  • CACO3
  • CaCO3
  • 3CoCa


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