Other questions in this quiz

2. What is the chemical symbol for carbon dioxide?

  • CO2
  • C2o
  • 2Ca

3. Which chemical equation shows what is produced from CaCO3 after heating?

  • CaCO3 ---> Ca0 + CO2
  • CO2 -----> CaO + C2o
  • Co2 -----> Cao + CaCo3

4. Which of these is limestone used for?

  • Building
  • Engineering

5. What ingredients, mixed together, makes concrete?

  • cement, sand, aggregate and water
  • cements, calcium, h20
  • h20, aggregate, salt and concrete

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