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(c) doc bDoc Brown's Chemistry KS4 science GCSE/IGCSE/O Level Chemistry Revision Notes(c) doc b

 Water Cycle - Water as a resource, hard & soft water, colloids, emulsions, salt solubility & water of crystallisation

1. Water cycle, treatment, pollution, tests for ions in water

2. Colloids - sols, foam and emulsions

3. Hard and soft water - causes and treatment

4. Gas and salt solubility in water and solubility curves

5. Calculation of water of crystallisation

These 'Extra Aqueous Chemistry' sections listed below are now split into five sections and renumbered

so use the new index above

1. What happens to water on the Earth's Surface?

1a The Water Cycle and Water as a Resource

1b Water Treatment and pollution - domestic and industrial contexts

1c Hard and Soft Water

2a. How well do different gases and solids dissolve in water?

2b. Solubility curves for selected salts

3. Water of crystallisation calculations


Extra Aqueous Chemistry Index: 1. Water cycle, treatment, pollution  *  2. Colloids - sols, foam and emulsions  *  3. Hard and soft water - causes and treatment  *  4. Gas and salt solubility in water and solubility curves  *  5. Calculation of water of crystallisation


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