crude oil and fuels

crude oil

• mixture of a very large number of compounds
  - mixture (2+ elements/compounds not chemically combined) 
  - chemical properties of each substance in the mixture are unchanged
  - can be separated by physical methods i.e. distillation 
•  most of the compounds in crude oil are made up of hydrogen and carbon atoms only (hydrocarbons)
  - most of these are saturated hydrocarbons called…