Flashcards in Fractional Distillation of Crude Oil Deck (7):
How was crude oil formed?
Formed from the buried remains of plants and animals - it's a fossil fuel. Over millions of years, the remains turn to crude oil, which can be extracted by drilling and pumping
Crude oil is a mixture of ...
many different compounds most of which are Hydrocarbon molecules
What is a mixture?
A mixture consists of 2 or more elements / compounds that AREN'T chemically bonded together
Hydrocarbons are [ ] just like petrol and diesel
There're no [ ] between different parts of a mixture therefore they all keep their [ ], such as their [ ] points. This means that the different part of the mixture can be separated out using [ ].
Crude oil is split into separated groups of [ ].