Other questions in this quiz

2. how do you make cement

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

3. calcium carbonate ->

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

4. how do you obtain limestone

  • quarrying
  • begging
  • through oil

5. covalent bonding is

  • non metal and metal
  • two non metals
  • two metals

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