1.4 Crude oil Flashcards
Compared to large hydrocarbons, small hydrocarbons are:
More volatile
Is the top of an oil fractioning column warmer or colder than the bottom?
Colder
What happens to a liquid during its separation from a mixture by distillation?
Evaporation followed by condensation
What is the process to get the different fractions out of crude oil
Fractional distillation
Which fraction has the longest carbon chain
Bitumen
Where does crude oil come from?
Dead animals and plants compressed under the ocean
What is kerosene used for?
Aeroplane fuel
How do geologists find oil?
They study the rock structures
Which hydro carbons are less efficient?
Ones that have a longer chain
What process is used to convert long hydro carbon chains into shorter hydro carbon chains
Cracking
What is bitumen used for?
Tarmac
Which has a higher boiling point bitumen or bottled gas
Bitumen
What allows large hydrocarbons to be broken down into smaller hydrocarbons?
Cracking
What is the step of distillation
Heating
Crude oil is called a fossil fuel because…
Crude oil is called a fossil fuel because it is formed from the remains of ancient sea creatures.