Crude Oil Flashcards
1
Q
What are crude oils?
A
Crude oils are a mixture of a very large number of compounds.
2
Q
What is a mixture?
A
A mixture consists of two or more elements or compounds not chemically combined together.
3
Q
Is it possible to separate the different substance in a mixture? How?
A
It is possible to separate the substances in a mixture by physical methods including distillation.
4
Q
Most of the compounds in crude oil consists of molecules made up of hydrogen and carbon atoms only. What are these called?
A
Hydrocarbons
5
Q
What is a saturated hydrocarbon called? What is the general formula for this?
A
An alkane, which has to general formula CnH2n+2
