Crude oil

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Crude oil is formed from the buried remains of plants and animals so it is a fossil fuel. Over millions of years the remains turn to crude oil which can be extracted by drilling and pumping. A mixture consists of two or more elements or compounds that arebn't chemically bonded to eachother. Crude oil is a mixture of many different compounds. Most of the compounds are hydrocarbon molecules. Hydrocarbons are fuels such as Petrol and diesel. They are made up of just carbon and hydrogen. There are no chemical bonds between the different parts of a mixture, so the different hydrocarbon molecules in crude oil aren't chemically bonded to one another. This means they all keep their original properties such as their condensing points. The properties of a mixture are just a mixture of the roperties ofthe separate

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