Other questions in this quiz

2. When calcium carbonate has been heated, what does it produce when it decomposes?

  • Carbon dioxide and calcium
  • Calcium oxide and Carbon dioxide
  • Calcium oxide and Carbon oxide

3. What is the chemical symbol for calcium carbonate?

  • 2CaCo
  • CaCO3
  • CaCO2

4. What ingredients, mixed together, makes concrete?

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

5. What is the chemical symbol for calcium oxide?

  • Ca2o
  • CaO
  • 2CaO
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