Combustion of fuels, testing for alkenes and production of ethenol from alkenes

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  • Created by: Zolo
  • Created on: 22-08-13 17:26

1. When testing for alkenes bromine is used when shaken it becomes colourless if an alkene is present, what colour is it before?

  • Yellow
  • Purple
  • Brown
  • Red
  • Green
  • Blue
  • Pink
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2. When experimenting with incomplete combustion what it is important to do to avoid releasing toxic chemicals?

  • Light a flame
  • Ventilate the area
  • Wear a mask
  • Nothing it's not really toxic

3. When producing ethanol from alkenes what is the alkene reacted with in the presence of a catalyst?

  • Steam
  • Carbon dioxide
  • Helium

4. If there is complete combustion what is the definite product?

  • Oxygen
  • Carbon dioxide
  • Carbon
  • Carbon monoxide

5. If there is incomplete combustion what product is produced?

  • Carbon dioxide
  • Carbon monoxide
  • Oxygen
  • Carbon
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