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Cambridge IGCSE Chemistry practice

Paper 4 structured question: Polymers

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4

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3

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Polymers

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Paper 4Theory (Extended)3 marks

Understanding polymerisation is crucial for material science.

Description

Polymerisation Types

Addition polymerisation involves unsaturated monomers, while condensation polymerisation involves functional groups and results in the release of small molecules like water.

  1. a

    Compare the processes of addition and condensation polymerisation.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Polymers

Paper 4Theory (Extended)1 marks

Description

Polymerisation Processes

There are two main types of polymerisation: addition and condensation. Addition polymerisation involves the joining of unsaturated monomers, while condensation polymerisation involves monomers with functional groups and results in the release of small molecules.

  1. a

    State the main difference between addition and condensation polymerisation.

    Aim for approximately 1 distinct marking point.

    [1]