Fractional distillation

[postlink]http://www.videos.universodopetroleo.com.br/2010/07/fractional-distillation.html[/postlink]http://www.youtube.com/watch?v=26AN1LfbUPcendofvid [starttext] Crude oil is a mixture of many different hydrocarbons. Hydrocarbons are separated using a process called fractional distillation. [endtext]

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