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Substances from the Earth Aquatic Environments (LO4 SBA 4 I can describe…
Substances from the Earth Aquatic Environments
LO3 SBA3
I can identify the solvent action of water including the impact of water hardness
water as a precious resources; water as a universal solvent
sea water containing many ions where upon crystallisation they form crystals : ionic bonding
extraction of salt from sea water/ rock salt
soft and hard water: investigate the difference between hard and soft water, risks & benefits of hard water, different methods of removing hardness
solubility of salts in water (solubility curves)
LO4 SBA 4
I can describe the chemical properties of acids, bases and salts
testing between acids and alkalis of different strength
reaction of acids with alkalis, bases, carbonates. hydrogencarbonates and fairly reactive metals; reaction of alkalis with ammonium salts
preparation of salts using different methods
LO5 SBA5
I can describe the conduction of electricity through solutions and molten salts
electrolysis of molten salts and electrolysis of solutions
LO6
I can describe the major groups of the periodic table including their physical and chemical properties
trends in physical and chemical properties of group 7 elements
the trends in physical and chemical properties of group 1 elements
LO7 SBA 6
I can describe how substances dissolved in water can be identified and measured.
chromatography using different solvents
identifying cations and anions of salts
volumetric analysis