Back to quiz

6. Fractional distillation is a...

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

7. During fractional distillation...

  • 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
  • crude oil stays as crude oil
  • substances with low boiling points condense at the bottom and substances with high boiling points condense at the top