Limestone Revision Crossword

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Across
  1. 2. The gas produced during the thermal decomposition of calcium carbonate.
  2. 3. This is the cycle that regenerates limestone.
  3. 4. The solid formed in the thermal decomposition of calcium carbonate.
  4. 5. This is made from cement, water and sand.
  5. 6. The chemical name for limestone.
  6. 9. The process that breaks something down using heat.
  7. 12. The chemical formula for calcium carbonate.
  8. 13. This is made from powdered limestone and clay.
Down
  1. 1. This is the process used to extract limestone from the ground.
  2. 2. The chemical name for limewater produced in the third step of the limestone cycle.
  3. 7. The chemical name for calcium oxide.
  4. 8. The solid product produced when a metal carbonate reacts with an acid.
  5. 10. The solution used to test for carbon dioxide.
  6. 11. This is made from cement, water, sand and aggregate.