Limestone Revision

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Across
  1. 2. This is the process used to extract limestone from the ground.
  2. 5. The chemical name for limestone.
  3. 6. This is the cycle that breaks down and regenerates limestone.
  4. 11. The solid produced in the first step of the limestone cycle.
  5. 12. This is made from aggregate, cement, water and sand.
Down
  1. 1. The gas given off when calcium carbonate decomposes.
  2. 3. The process that breaks something down using heat.
  3. 4. The solution produced in the third step of the limestone cycle.
  4. 7. This is made from powdered clay and limestone.
  5. 8. The common name for calcium oxide.
  6. 9. This is made from sand, cement and water.
  7. 10. The chemical used to test for carbon dioxide.
  8. 13. This is the chemical symbol to represent calcium carbonate.