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What is petroleum and how is it refined? [2 MARKS]

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Solution

Petroleum : 1 Mark
Refining : 1 Mark

Petroleum is a dark oily liquid. It has an unpleasant odour. It is a mixture of various constituents such as petroleum gas, petrol, diesel, lubricating oil, paraffin wax, etc.
Fractional distillation is the process used for separating the various constituents of petroleum.


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