10.4 Carbon footprint
Cambridge (CIE) IGCSE Chemistry Revision Notes
📌 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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