10 CHEMISTRY - PLASTICS AND FUELS

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Across
  1. 3. chemical reactions that join monomers together
  2. 5. small molecules that consist of carbon
  3. 6. can be used in blended petrol
  4. 7. formed from plant matter buried in sediments
  5. 9. large molecules consisting of repeating monomers
  6. 10. gas produced from biomass
  7. 12. produced from the fermentation of plant matter
  8. 15. polmers that char when heated
  9. 18. gas formed from remains of marine organisms
  10. 19. made from coal and used in steel refinery
Down
  1. 1. polymers that soften when heated
  2. 2. the main element in plastics
  3. 4. distillation method used to separate oil components
  4. 8. mixture of hydrocarbons such as kerosene and petrol
  5. 9. a polymer made from the monomer vinyl acetate
  6. 11. a soft plastic used to make cling wrap
  7. 13. two different monomers alternating in a chain
  8. 14. coal, natural gas and oil
  9. 16. used for packaging, containers, ballpoint pens etc
  10. 17. fuels made from plant and animal tissue