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Cambridge IGCSE Chemistry practice

Paper 4 structured question: Polymers

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Attempt questionPolymers revisionRevise the key idea

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Polymers

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Paper 4Theory (Extended)3 marks

Understanding the structures of common polymers is essential in chemistry.

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Polymer Structures

Nylon and PET are two important synthetic polymers with distinct structures and properties.

  1. a

    Describe the structure of PET.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Polymers

Paper 4Theory (Extended)1 marks

Description

Structures of Nylon and PET

Nylon is a polyamide formed from diamines and dicarboxylic acids, while PET is a polyester made from ethylene glycol and terephthalic acid.

  1. a

    State the type of polymer nylon is.

    Aim for approximately 1 distinct marking point.

    [1]