Crude Oil - mixture of compounds hydrocarbons
Used for- petrol, refinary gases, air craft fuel, diesal, ship fuel, roads.
obtained by - fractional distillation
The materials above need to be separated from the organic crude oil, they have due to the different sizes in molecules they have different boiling points. Fractional distillation works through heating, cooling and condensing.
Those with larger molecules, therefore higher boiling points they are less volatile and are less useful. These material can be briken down even further by a process calledCRACKING. (vapourising through hot catalyst - thermal decomposition)
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