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Chapter 4 - Definitions
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- 1Aqueous solutionA solution that has water as its solvent
- 2ConcentratedWhen there is a lot of solute in the solvent
- 3DiluteWhen there is little solute in the solution
- 4DisperseWhen particles spread without desolving
- 5DissolveBreaking up into tiny particles that are smaller than the eye can see
- 6EvaporationA process that uses heat to make a liquid solvent change to a gas and leave behind the solute it had dissolved
- 7FilterA screen or membrane used in filtration
- 8InsolubleSubstance that does not dissolve in a particular solvent
- 9MixtureA substance made from 2 or more pure substances that have been stirred together and can be seperated to recover the original substances
- 10Pure SubstanceA substance entirely of only one material
- 11SaturatedAs much substance as possible is dissolved in a solvent
- 12SolubleAble to be dissolved
- 13SoluteA substance that dissolves to make a solution when mixed into another substance
- 14SolutionWhen a substance dissolves in another, forming a clear mixture
- 15SolventA substance that dissolves another substance
- 16SuspensionMixture in which a substance will not dissolve in another and quickly seperates out if left to stand
- 17BlackwaterWastewater from toilets and kitchens
- 18CentrifugeA device that spins very fast to seperate solids from liquids, or liquids from other liquids
- 19ChromatographyA method of separating a mixture by making it move over or through another substance that stays still
- 20CrystallisationFormation of crystals as a dissolved substance solidifies
- 21DecantationSeperation by pouring liquid off the top of a mixture of solid in liquid, or liquid in liquid
- 22DesalinationRemoving dissolved salts such as sodium chloride from water
- 23DistillationA process that uses evaporation and condensation to seperate solids from liquids, enabling the recovery of both
- 24FiltrateLiquid that passes through the filter paper
- 25FiltrationSeperation of solids or liquids from a liquid or gas by using a barrier with holes smaller than the particles being seperated
- 26Gravity SeperationA method of seperating two components from a suspension by using the force of gravity to seperate heavier particles to the bottom
- 27GreywaterWastewater from shower/bath and laundry
- 28ImpuritiesUnwanted substances
- 29Potable WaterWater that is drinkable
- 30ResidueSolid left in the filter paper after filtration
- 31Septic TankConcrete or plastic tanks placed underground that process sewage from homes and businesses outside the sewerage system
- 32SewageWastewater from toilets, bathrooms, kitchens and laundries that may contain human waste and other organic chemicals or harmful chemicals
- 33Sewerage SystemSystem of pipes underground that collects wastewater from homes and businesses and takes it to treatment plants
- 34WastewaterWater that has been used and disposed of because it is no longer clean
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- Fichas sobre Chapter 4 - Definitions, creado por Efe Osaghae el 08/10/2018.
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- Efe Osaghae
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