Other questions in this quiz

2. How do we test for carbon dioxide?

  • Bubble the gas through calcium oxide
  • Heat calcium oxide and carbon dioxide
  • Bubble the gas through limewater solution
  • Mix calcium oxide and calcium hydroxide

3. What does limestone produce when thermally decomposed.

  • Slaked lime
  • Calcium Hydroxide and Carbon Dioxide
  • Carbon Dioxide and Calcium Oxide
  • Lime

4. What is a disadvantage of using limestone as a building material?

  • All of the above
  • It is eroded by acid rain (sulphur dioxide)
  • It looks ugly when used in concrete
  • It has a low tensile strength (can crack)

5. What is the balanced symbol equation for the thermal decomposition of limestone?

  • CaCO3-CaO
  • CaCO-CaO
  • CaCO3-CaO+CO2
  • CaCO3-CO2

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