Fractional Distillation Flashcards
1
Q
what is crude oil formed from?
A
buried remains from plants and animals = fossil fuel
2
Q
what is crude oil a mixture of?
A
hydrocarbons
3
Q
what are hydrocarbons?
A
compound made of hydrogen and carbon only
4
Q
what happens in fractional distillation?
A
- heated crude oil is piped into the bottom
- vaporised oil rises up the column and various fractions tapped off at different levels that they condense at
5
Q
what fraction has the highest boiling point?
A
residue at the bottom
