Topic 10: Chemistry of the Environment / 10.2 Air quality and climate

10.2 Air quality and climate

Cambridge (CIE) IGCSE Chemistry Revision Notes
📚 Part of Topic 10 📝 Exam code: 0620 & 0971
📌 Topic 10: Chemistry of the Environment
10.1 Water
1 Describe chemical tests for water using anhydrous cobalt(II) chloride and anhydrous copper(II) sulfate

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2 Describe how to test purity of water using melting point and boiling point

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3 State substances found in natural water sources

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4 Describe treatment of domestic water supply

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10.2 Fertilisers
1 State that ammonium salts and nitrates are used as fertilisers

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10.3 Air quality and climate
1 State composition of clean, dry air

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2 State sources of air pollutants

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3 State adverse effects of air pollutants

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4 Describe strategies to reduce environmental issues

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5 Describe photosynthesis: CO₂ + H₂O → glucose + oxygen

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