Essential Chemistry for IGCSE - Organic Chemistry And Petrochemicals (Section 2 - No. 30)
Which of the following is the correct order of fractions obtained from fractional distillation of crude oil, from the top to the bottom of the fractionating column?
Refinery gas, gasoline, kerosene, diesel oil, fuel oil
Fuel oil, diesel oil, kerosene, gasoline, refinery gas
Gasoline, refinery gas, kerosene, diesel oil, fuel oil
Refinery gas, fuel oil, diesel oil, kerosene, gasoline
Explanation
The fractions are separated based on their boiling points, with those having lower boiling points found at the top and higher boiling points found at the bottom of the fractionating column.
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