organic chemistry

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Across
  1. 5. the process to make ethanol from glucose
  2. 8. the property of how easily a liquid evaporates
  3. 10. small molecules used to make polymers
  4. 11. the name of process to separate pertroleum
  5. 13. a familiy of similar compounds with same general formula and functional group
  6. 15. molecules contain C and H only
  7. 17. CnH2n+1COOH
  8. 19. a reaction has only one product formed
  9. 20. a reaction has a larger molecule and a small molecule(H2O) formed
  10. 21. type of polymerisation to make PET and nylon
Down
  1. 1. a reaction needs UV light
  2. 2. natural polymer with amide link
  3. 3. molecules with same moleular formula, but different structural formulae
  4. 4. type of polymerisation using alkenes
  5. 6. main constituent of natural gas
  6. 7. CnH2n
  7. 9. 可生物降解的
  8. 12. a reaction in which a H in an alkane is replaced by a Cl atom
  9. 14. CnH2n+1OH
  10. 16. the molecules used to make natural polymer with amide link
  11. 18. CnH2n+2