Sulfur dioxide
What Sulfur dioxide means in Combined Science GCSE, as defined for AQA.
Definitions of Sulfur dioxide
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Sulfur dioxide in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
An acidic gas formed when sulfur impurities in fuels burn, which dissolves in rainwater to form acid rain.
Formed when sulfur impurities in fuels such as coal or petrol oxidise during burning, giving SO₂.
Topics that use Sulfur dioxide
- Atmospheric pollutants from fuels (AQA GCSE)
- Waste management (AQA GCSE)
Related terms
- Acid rain
- Air pollution from fuels
- Atmospheric pollutants from fuels
- Combustion products
- Complete combustion
- Eutrophication
- Finite resources
- Incomplete combustion
Using Sulfur dioxide in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge