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CAIE IGCSE Chemistry 11.8.5 Environmental challenges caused by

CAIE IGCSE Chemistry 11.8.5 Environmental challenges caused by
Cambridge IGCSE Chemistry 0620 syllabus for exams in 2026, 2027 and 20282026–2028

Practise describing landfill, ocean accumulation and burning problems caused by non-biodegradable plastics in polymer contexts.

How this is tested

  • describe how non-biodegradable plastics cause landfill space and leaching problems
  • link ocean plastic accumulation to animal ingestion or entanglement
  • explain why burning plastics can release toxic gases and cause pollution

Question 9(b)

[Maximum number: 2]

There are two types of polymerisation, addition and condensation.

Some plastics, formed by polymerisation, are non-biodegradable.

Describe two pollution problems that are caused by non-biodegradable plastics.