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we take the petrol directly under the earth or in the sea

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we take the petrol directly under the earth or in the sea

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cold = 25°C

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want less energy
lower boiling point

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Made out of compressed dinosaur bones that have been in the ground for a long time

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want more energy
higher boiling point

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There are large quantities of crude oil, deep underground. It is found in these underground places called reservoirs.

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Crude oil is heated up outside the fractionated column and is released into in as a vapour

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Crude oil is heated up outside the fractionated column and is released into in as a vapour

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As it rises up the column in cools down and created different useful materials

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the term used to describe unprocessed oil. That means oil that has been directly extracted from under the ground (either on land or under sea)

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found in water can make a lot of money

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The longer the chain of hydrocarbons the higher the boiling point

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Kerosene is used for planes
Bitumen is used for roads
Diesel is used for lorry's and trucks
Petrol is used for cars

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Large chains of crude oil are thicker, flow less easily and have higher boiling points compared to smaller chains

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Small particle chains have low boiling points and flow easily 

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Small particle chains have low boiling points and flow easily 

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Has many different uses, for example:

-Petrol
-Gas
-Airplane fuel
-Car fuel
-Etc.

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The larger chains, are at the bottom of the column, and the smaller chains are at the top of the column.

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The larger chains, are at the bottom of the column, and the smaller chains are at the top of the column.

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The chains referring to links of hydrocarbons.

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Crude oil is a mixture of hydrocarbons with different lengths