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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Separation and purification

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Separation and purification

Exam-style question

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Paper 3Theory (Core)2 marks

A solution contains a colored dye and water.

Description

Separation of Dye from Water

You need to separate a colored dye from water.

  1. a

    Explain how you would separate the dye from the water.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Separation and purification

Paper 3Theory (Core)2 marks

Description

Separation of Salt and Sand

You have a mixture of salt and sand that needs to be separated.

  1. a

    Describe the method you would use to separate the salt from the sand.

    Aim for approximately 2 distinct marking points.

    [2]