unicorn_army
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Can someone explain the process of fractional distillation in some key simple points so I can just remember key points instead of sentences on end?

Like if it was a six mark question in a GCSE chemistry paper: Explain the process of fractional distillation.

I have my exam in a week ._.
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hw1
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Fractional distillation (the key points you need to know).

- Crude oil contains a mixture of different hydrocarbon molecules. This mixture is not very useful.
- Through the process of fractional distillation, more useful fractions are formed.
- Each fraction is a simpler mixture than crude oil.
- Examples of useful products formed: Gasoline, petrol and heating oil.

These are the key points/ideas.
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ShukuraBurcin
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(Original post by hw1)
Fractional distillation (the key points you need to know).

- Crude oil contains a mixture of different hydrocarbon molecules. This mixture is not very useful.
- Through the process of fractional distillation, more useful fractions are formed.
- Each fraction is a simpler mixture than crude oil.
- Examples of useful products formed: Gasoline, petrol and heating oil.

These are the key points/ideas.
Also just add that the reason why they separate is because they are heated and each of the compounds within the mixture have different boiling points due to a difference in intermolecular forces allowing them to be separated ..
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unicorn_army
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(Original post by hw1)
Fractional distillation (the key points you need to know).

- Crude oil contains a mixture of different hydrocarbon molecules. This mixture is not very useful.
- Through the process of fractional distillation, more useful fractions are formed.
- Each fraction is a simpler mixture than crude oil.
- Examples of useful products formed: Gasoline, petrol and heating oil.

These are the key points/ideas.
thanks
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