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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Fuels

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Fuels

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Paper 3Theory (Core)6 marks

The separation of petroleum into fractions is crucial for various applications.

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Separation of Petroleum

Different fractions are collected at different heights in the distillation column based on their boiling points.

  1. a

    Describe the process of fractional distillation of petroleum.

    Aim for approximately 6 distinct marking points.

    [6]

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Paper 3 structured question: Fuels

Paper 3Theory (Core)1 marks

Description

Fractional Distillation Process

The process involves heating crude oil and collecting different fractions based on their boiling points.

  1. a

    State the main purpose of fractional distillation in the petroleum industry.

    Aim for approximately 1 distinct marking point.

    [1]