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    Combined Science GCSE

    Sulfur impurities in fuels

    What Sulfur impurities in fuels means in Combined Science GCSE, as defined for AQA.

    Definition of Sulfur impurities in fuels

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    Reference: AQA

    Sulfur compounds are present in some fuels as an impurity rather than as the main fuel component, especially in coal and crude-oil fractions.
    AQA · Atmospheric pollutants from fuels (study guide)

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