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O Level Chemistry: Oil Refining - Crude Oil

Crude oil, coal and natural gas are fossil fuels, formed millions of years ago from the remains of dead sea plants and animals, decayed under the sea beneath layers sand and mud, under the condition of high pressure, heat and lack of oxygen, these organic compounds turned into coal, crude oil and gas. Video: How Crude oil is formed: What is crude oil? oil found underground is called crude oil or petroleum oil - from almost solid to gaseous form, contain little foreign substances such as…

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