S3 Chemistry - Unit 2

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Across
  1. 4. the type of fuels that biofuels are
  2. 6. the process used to meet the demand for shorter chained, more useful hydrocarbons
  3. 7. type of reaction involving burning
  4. 9. the chemical used to test for starch
  5. 13. what type of distillation separates crude oil into fractions
  6. 15. type of combustion with a limited oxygen supply
  7. 16. the process plants carry out to produce glucose and oxygen
  8. 19. first member of the cycloalkanes
  9. 22. a unsaturated family of hydrocarbons
Down
  1. 1. a mixture of compounds with a similar boiling point
  2. 2. a substance which is burned to release energy
  3. 3. the production of carbon dioxide when burning fossil fuels has this effect on the global temperature
  4. 4. the process where cells in the body use glucose to produce carbon dioxide and water
  5. 5. type of reaction in which the temperature will increase
  6. 8. type of compound made up of ONLY hydrogen and carbon
  7. 10. the gas required for combustion to take place
  8. 11. the type of resource coal, oil and gas are
  9. 12. the chemical used to test for glucose
  10. 14. a type of compound made up of only carbon, hydrogen and oxygen
  11. 17. a family of compounds with the same general formula and similar chemical properties
  12. 18. the process used to produce ethanol
  13. 20. a type of fossil fuel made from the remains of dead plants
  14. 21. a family of hydrocarbons with the general formula CnH2n+2