organic chemestry

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Across
  1. 6. Plastic made from polymerized ethylene.
  2. 8. C5H12
  3. 9. Type of polymer that cannot be remolded once set.
  4. 10. Thick, black substance left after distillation of crude oil
  5. 12. Poisonous alcohol used as solvent and antifreeze.
  6. 16. C6H10
  7. 18. Process of linking monomers to form a polymer.
  8. 19. C4H6
  9. 20. CH4
Down
  1. 1. A fuel commonly used in vehicles, derived from crude oil.
  2. 2. C9H16
  3. 3. gaseous by-product from crude oil refining, used in heating and cooking.
  4. 4. C10H18
  5. 5. Lighter fraction of crude oil, often used in lighters and camping stoves.
  6. 7. Natural polymer found in plant cell walls.
  7. 11. A synthetic polymer used in textiles and carpets.
  8. 13. Alcohol commonly found in alcoholic beverages.
  9. 14. C6H14
  10. 15. C7H16
  11. 17. A liquid petroleum product used as a feedstock in petrochemical industries.