Chemicals from Oil

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Across
  1. 3. can mean less than one, or is a group of hydrocarbons with similar melting points, produced during fractional distillation of crude oil.
  2. 5. BANK: VOLATILE, VISCOUS, NAPTHA, MONOMER, FRACTION, ETHENE, CRUDEOIL, CRACKING, COVALENT, BROMINE, ALKENES, ALKANES
  3. 7. the type of bonding between non - metals
  4. 9. one of the lighter fractions in crude oil
  5. 10. evaporates easily, even at room temperature.
  6. 11. does not flow easily
  7. 14. a method of breaking down large hydrocarbon molecules with heat and a catalyst.
  8. 15. an alkene with two carbon atoms
Down
  1. 1. this dissolved in water is decolourised in unsaturated compounds.
  2. 2. mixture of hydrocarbon molecules produced by fossilised plants and animals.
  3. 4. a family of saturated hydrocarbons.
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  6. 12. family of hydrocarbons containing a double bond.
  7. 13. thousands of these simple molecules join up to make a polymer