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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Separation and purification

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1

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Separation and purification

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Paper 3Theory (Core)1 marks

Separation techniques are essential in chemistry for purifying substances.

Description

Separation Techniques

Different methods can be used to separate and purify substances in chemistry. These include filtration, crystallisation, simple distillation, and fractional distillation.

  1. a

    State one method of separating a solid from a liquid.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Separation and purification

Paper 3Theory (Core)5 marks

Description

Separation Techniques

Various methods are employed to separate and purify substances, including crystallisation and distillation.

  1. a

    Explain the process of fractional distillation and its application.

    Aim for approximately 5 distinct marking points.

    [5]