Crossword

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Across
  1. 3. Has the General formula CnH2n.
  2. 8. chain-like molecule made up of monomers
  3. 9. Different substances collected from distillation.
  4. 10. Used for car fuel. Product of cracked crude oil.
  5. 12. organic compound consisting entirely of hydrogen and carbon
  6. 13. has the General formula CnH2n+2
Down
  1. 1. lightweight elastic synthetic polymer
  2. 2. Unable to add more atoms.
  3. 4. Used for jet fuel. Product of cracked crude oil.
  4. 5. Separation of substances with different boiling points.
  5. 6. Series of molecules differing by CH2.
  6. 7. Oil: Very important Fossil fuel, Mixture of different components.
  7. 11. Breaking up of large molecules.