Quick quiz on the basics of C1a

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  • Created by: iram_f
  • Created on: 29-05-14 14:07

1. What is cracking?

  • Burning fuel to make energy
  • Making small hydrocarbons into bigger hydrocarbons
  • Breaking large hydrocarbons into smaller, more useful hydrocarbons as well as an alkene, which is used for polmerisation
  • Crude oil is separated into different fractions, with a similar number of carbon atoms
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2. Fractional distillation is a...

  • good way to separate things
  • physical change
  • thermal decomposition reaction
  • chemical reaction

3. During fractional distillation...

  • crude oil stays as crude oil
  • hydrocarbons are chemically separated into smaller hydrocarbons
  • substances with high boiling points condense at the bottom and substances with lower boiling points condense at the top
  • substances with low boiling points condense at the bottom and substances with high boiling points condense at the top

4. What is crude oil and natural gas made from?

  • The dead remains of marine organisms
  • The dead remains of humans
  • The dead remains of land organisms
  • The old remains of chemicals

5. Why does distillation work?

  • Because the liquids have different boiling points
  • Because it has the right conditions
  • Because the liquids are mixed up
  • Because the liquids are made of one pure substance

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