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