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Cambridge IGCSE Chemistry practice

Paper 4 structured question: Polymers

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Polymers

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Paper 4Theory (Extended)1 marks

Polymerisation processes are essential in the production of various materials.

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]

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Paper 4 structured question: Polymers

Paper 4Theory (Extended)3 marks

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]