Edexcel IGCSE Chemistry · Spec 4.12-4.16
Combustion, Pollutants & Acid Rain
Complete and incomplete combustion, the pollutants produced, and acid rain.
Chemistry revision video
Combustion, Pollutants & Acid Rain
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Spec 4.12-4.16
What you need to know
- Compare complete and incomplete combustion
- Name the main pollutants
- Explain how acid rain forms
Active recall
Quick check
Answer each question before opening the answer.
What are the products of complete and incomplete combustion of a hydrocarbon?
Complete: carbon dioxide + water. Incomplete: carbon monoxide and/or soot (carbon) + water.
How is acid rain formed?
Sulfur dioxide (and nitrogen oxides) from burning fuels dissolve in rain water to form acids.
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