Foundation Level (Fail → Pass)

1. Define pollution.

2. State one source of air pollution.

3. What is meant by the greenhouse effect?

4. Name one greenhouse gas.

5. Define acid rain.

6. State one effect of acid rain.

7. What is water pollution?

8. Give one example of a pollutant found in water.

9. Define biodegradable.

10. State one way to reduce pollution.

Intermediate Level (Pass → Credit)

1. Explain how sulfur dioxide leads to acid rain.

2. Describe the formation of photochemical smog.

3. Explain how catalytic converters reduce emissions.

4. Compare renewable and non-renewable energy sources.

5. Describe eutrophication.

6. Explain how heavy metals contaminate water sources.

7. Discuss the environmental effects of excessive CO₂.

8. Explain how chlorofluorocarbons (CFCs) damage the ozone layer.

9. Describe methods of wastewater treatment.

10. Explain why plastics cause long-term environmental problems.

Advanced Level (Credit → Distinction)

1. Analyse the relationship between industrial activity and global warming.

2. Evaluate the effectiveness of carbon capture and storage (CCS).

3. Discuss the chemistry behind ozone depletion and ozone formation.

4. Examine the role of catalytic converters in reducing NOₓ emissions.

5. Propose strategies to reduce water contamination by nitrates.

6. Analyse long-term environmental impacts of microplastics.

7. Discuss the environmental chemistry of sulfur and nitrogen cycles.

8. Evaluate renewable energy technologies from a chemical perspective.

9. Explain how green chemistry principles minimise environmental damage.

10. Propose a multi-step plan to reduce emissions in urban areas.