Key term for Edexcel GCSE Chemistry, used in Fuels.
Small, unintended amounts of sulfur naturally present in fossil fuels like coal and oil, which release sulfur dioxide when burned.
Sulfur impurities appears in Edexcel GCSE Chemistry revision content for Fuels and Earth Science, especially Fuels and Acid Rain.
Create a free account to access Edexcel GCSE Chemistry revision notes, track progress, and practise related key terms.
