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SEPARATE CHEMISTRY P2: IONS AND MATERIALS
CH237: Describe why an ion test must be unique
CH238: Identify the flame colours for different cations
CH239: Identify the precipitate colours for different cations
CH240: Identify the test for ammonia
CH241: Describe the test for carbonates, sulfates and halides
CH242: Core Practical: Investigating Ions
CH243: Explain the advantages of instrumental analysis
CH244: Explain why flame photometry is more accurate than flame tests
CH264: Describe what a nanoparticle is
CH265: Calculate the surface area-to-volume ratio of a nanoparticle
CH266: Explain why nanoparticles can be used in sunscreens and as catalysts
CH267: Explain the concerns over nanoparticles
CH268: Explain the formation and properties of ceramics
CH269: Explain how composite materials are useful
CH270: Suggest uses for different materials based on their physical and chemical properties
