Inorganic Carbon Chemistry

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Across
  1. 1. Calcium carbonate –(heat)-> calcium ..... + carbon dioxide
  2. 3. other name for calcium oxide
  3. 10. carbon dioxide obtained from thermal decomposition of a ......
  4. 12. calcium carbonate is heated with clay to produce ... which is an ingredient in mortar and concrete
  5. 15. one of the sources of methane is from the .... of vegetation
  6. 16. one of the sources of methane is from the .... gases from digestion in animals
  7. 17. decomposition of a substance using heat is called .... decomposition
  8. 19. one of the sources of methane is from the production and use of ....
  9. 20. uses of calcium oxide and calcium hydroxide is to treat ... soil and neutralising ... industrial waste products
Down
  1. 2. in carbon cycle, carbon dioxide is .... from respiration and combustion of fuels
  2. 4. carbon dioxide and methane are ..... gases
  3. 5. other name for calcium hydroxide
  4. 6. carbon dioxide is a product of the reaction between .... and carbonate
  5. 7. carbon dioxide is formed by .... combustion of carbon containing substances
  6. 8. carbon dioxide is a product of .... in living things
  7. 9. calcium carbonate helps to remove acidic ...... from the iron by reacting with them to form molten slag
  8. 11. greenhouse gases .... the infrared radiation radiated by the sun back into the earth, preventing them from escaping, thus cause an increase in temperature and climate change
  9. 13. ...... feed on the dead animals and plants. thus carbon is returned to the atmosphere as carbon dioxide
  10. 14. other name for calcium carbonate
  11. 18. in carbon cycle, carbon dioxide is .... to make carbohydrates in photosynthesis