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6. The properties of hydrocarbons affect how they're used for.....

  • the world
  • fuels
  • life
  • animals

7. Alkanes only have C-C and C-H.........Bonds

  • Connected Bonds
  • Single Bonds
  • Small Bonds
  • Big Bonds

8. The first four alkanes are ...................

  • oxygen, crude oil, neon, carbon
  • methane, ethane, propane and butane
  • copper, silver, gold, carbon

9. Alkanes and alkenes are both examples of different ......series

  • homologous
  • carbon
  • oxygen
  • oil

10. The waste products of complete combustion are............

  • crude oil
  • carbon dioxide and oxygen
  • carbon dioxide and water vapour
  • water

11. Oxidation is the ........

  • opposite of oxygen
  • same as oxygen
  • gain of oxygen
  • loss of oxygen

12. Crude oil is formed from.........

  • living plants and animals
  • dead plants and animals buried in the mud
  • living plants

13. Will crude oil ever run out?

  • yes, in about 50 years
  • never

14. The hydrocarbons in crude oil are a range of......

  • the same sizes
  • different sizes
  • similar sizers

15. As the....... of the carbon chain changes, the ..........of the hydrocarbons change

  • length, properties
  • weight, length
  • length, height

16. Complete combustion occurs when there's plenty of..........

  • Carbon
  • Gas
  • Oxygen
  • Neon

17. How long does it take for crude oil to be made?

  • 100 years
  • millions of years
  • 10 years
  • 1000 years

18. Hydrocarbons are compounds formed from........

  • carbon and hydrogen atoms only
  • boron atoms
  • oxygen atoms
  • carbon dioxide atoms