Crude Oil

Question 1

What is Crude oil?

Answer 1

mixture of hydrocarbons

Question 2

what are hydrocarbons

Answer 2

molecules only containing carbon and hydrogen

Question 3

how crude oil separated

Answer 3

fractional distillation

Question 4

how fractional distillation work

Answer 4

crude oil heated until boils
vapour passed into fractionating column
hotter at the bottom than the top
different fractions have different boiling points and rise to different levels
long chain fractions have higher boiling points and stay near the bottom
short chain fractions have lower boiling points and rise higher
each separate fraction drawn off at a different height

Question 5

order of fractions

Answer 5

Refinery gas - heating and cooking
Gasoline - fuel for cars
Kerosene - aircraft fuel
Diesel - fuel in diesel engines buses, lorries
Fuel - fuel for ships
Bitumen - for roads
random goldfish kill dangerous flying bison
more viscous going down