May/June 2026 Paper 21

2026 · 40 questions · 40 parts · 40 marks

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33Crude Oil Fuels CrackingEasy1 mark
The diagram shows a simple fractionating column for petroleum.
fractionating column with hot petroleum entering near the base and four outlets labelled A (near the top) down to D (near the base) each releasing a fraction
Which outlet produces the fraction with the most viscous liquids?