Other questions in this quiz

2. what is the main component of limestone

  • carbon dioxide
  • calcium carbornate
  • calcium oxide
  • water

3. calcium carbonate ->

  • calcium oxide + carbon dioxide
  • calcium oxide + water
  • calcium + carbon dioxide

4. how do you obtain limestone

  • through oil
  • quarrying
  • begging

5. how do you make cement

  • cement powder + water + sand + aggregate
  • cement powder + water
  • cement powder + water + sand

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