MSH Premium | C10 Chemistry of the Environment End of Topic Test

IGCSE Chemistry 0620/0971 • 30 marks • Manual marking

Answer all questions. Multiple choice is auto-recorded, but the full test is submitted for teacher marking.

Progress: 0/23 answeredSuggested time: 40 minutesTotal: 30 marks

Section A: Multiple Choice 15 marks

Section B: Structured Questions 10 marks

16. State the chemical test for water and the positive result. (2)

17. Describe two stages used to treat water before it is supplied to homes. (2)

18. Explain why excessive fertiliser use can damage aquatic ecosystems. (2)

19. State two pollutants produced by car engines and describe one method used to reduce their release. (2)

20. Explain how greenhouse gases contribute to climate change. (2)

Section C: Data and Application 5 marks

21. The table shows air quality data for three areas.

AreaCO₂ / ppmSO₂ / arbitrary unitsNOₓ / arbitrary units
A42035
B4551922
C435811

(a) Which area is likely to have the most traffic or industrial activity? Explain your answer. (2)

(b) Describe one environmental problem caused by sulfur dioxide. (1)

(c) Suggest two ways a community could reduce its carbon footprint. (2)

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