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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

Polymers are widely used in various applications due to their unique properties.

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Types of Polymers

Addition and condensation polymers are two main categories of polymers. Addition polymers are formed by the direct linking of monomers, while condensation polymers involve the release of small molecules during their formation.

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    State the main difference between addition and condensation polymers.

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Paper 4 structured question: Polymers

Paper 4Theory (Extended)1 marks

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Identifying Repeating Units

In a polymer chain, the repeating unit is the specific arrangement of atoms that repeats throughout the length of the polymer. This unit determines the properties of the polymer.

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    Identify the repeating unit in the following polymer structure: (C-C-C-C-C)

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