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