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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Polymers

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Polymers

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Paper 3Theory (Core)1 marks

The disposal of plastics is a significant environmental issue.

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Characteristics of Plastics

Plastics can be categorized based on their biodegradability and chemical composition. Some plastics can decompose naturally, while others persist in the environment for long periods.

  1. a

    State one characteristic of biodegradable plastics.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Polymers

Paper 3Theory (Core)3 marks

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Disposal Methods for Plastics

Different plastics require different disposal methods based on their characteristics. Non-biodegradable plastics often need to be recycled or incinerated, while biodegradable plastics can be composted.

  1. a

    Discuss the impact of non-biodegradable plastics on the environment and their disposal methods.

    Aim for approximately 3 distinct marking points.

    [3]