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6. Polymers are long chains of....

  • monomers which have broken their double bond
  • monomers with a double bond
  • 5 monomers with double bonds
  • dense monomers

7. What is added to ethene to produce ethanol?

  • Polymers
  • More carbons
  • Water
  • Butanol

8. Cracking is used to separate a ______ chain into more useful sections

  • long
  • short
  • unsaturated
  • saturated

9. What is the highest temperature to vapourise hydrocarbons?

  • 350- 500 degrees celcius
  • 344-350 degrees celsius
  • 216-300 degrees celsius
  • 320-340 degrees celcius

10. Carbon Dioxide is taken in by trees in what process?

  • growth
  • deciduous
  • photosynthesis
  • respiration