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Explain the process of separating petroleum into useful fractions through fractional distillation.

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  • Practise with linked questions.
Cambridge IGCSE Combined ScienceOrganic chemistryCore content

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Explain the process of separating petroleum into useful fractions through fractional distillation

  • This point belongs to Fuels, especially Fuels outcomes.
  • You need to be able to explain the process of separating petroleum into useful fractions through fractional distillation.
  • The key ideas to know are Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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Describe

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Paper 3Theory (Core)4 marks

Description

Fractional Distillation of Crude Oil

Crude oil is heated in a distillation column, where it vaporizes and rises. Different hydrocarbons condense at different heights based on their boiling points, allowing for the collection of various fractions.

  1. a

    Explain the process of fractional distillation and its significance in petroleum refining.

    Aim for approximately 4 distinct marking points.

    [4]
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