GCSE ORGANIC CHEMISTRY

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Across
  1. 4. toxic gas produced by incomplete hydrocarbon combustion
  2. 5. number of carbon atoms in butane
  3. 8. name of series' of compounds, such as alkanes
  4. 9. smallest alkane
  5. 12. burning is also called ...
  6. 14. crude oil is a ... of hydrocarbons
  7. 15. alkene with 3 carbons
  8. 16. there are two types of cracking: thermal and ...
  9. 17. combustion without enough oxygen
  10. 19. the larger the alkane, the ... the boiling point
Down
  1. 1. group of unsaturated hydrocarbons (have double bonds)
  2. 2. the breaking down of long chain hydrocarbons
  3. 3. bromine water goes ... when mixed with alkenes
  4. 6. a 'gloopy' liquid has a high...
  5. 7. group of saturated hydrocarbons
  6. 8. a compound made from hydrogen and carbon only
  7. 10. in distillation, the mixture is first heated so the crude oil ...
  8. 11. CnH2n is the ... of the alkenes
  9. 13. in fractional ... crude oil is separated
  10. 18. larger alkanes are ... flammable than smaller alkanes