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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

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


 Revision KS4 Science GCSE/IGCSE/O level Chemistry Information Study Notes for revising for AQA GCSE Science, Edexcel Science Chemistry IGCSE Chemistry & OCR 21st Century Science Chemistry, OCR Gateway Science Chemistry, WJEC gcse science chemistry CCEA/CEA gcse science chemistry (revise science chemistry courses equal to US grade 8, grade 9 grade 10. Revision notes on word equations balanced symbol equations science chemistry courses revision guides


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