Across
- 3. Lime is used to treat ______ soil
- 6. Form by the combustion of fossil fuel
- 8. Maintain temperatures on Earth high enough to support life
- 10. warming Long-term effect of the higher temperatures of the greenhouse effect
- 12. effect Effect where the average temperature of the Earth will rise
- 14. made of the 'shells' of marine algae
- 15. When calcium carbonate is thermally dissociated
Down
- 1. Composed of calcium carbonate in the form of the mineral calcite
- 2. Weak solution of calcium hydroxide in water
- 4. Form by heating powdered limestone with clay
- 5. Product of respiration
- 7. Short term for Flue Gas Desulphurication and is used to neutralise acidic industrial waste
- 9. When equal amount of water is added to equal amount of lime
- 11. Calcium carbonate helps to remove acidic impurities from the ____ by reacting with them to form molten slag
- 13. Form when calcium carbonate reacts with silicon (IV) oxide