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1 year agoMoreâ—¦Separation of mixtures â—— Presentation Transcript
Separation of Mixtures
Separation of Mixtures
Identify the different ways of separating mixtures.
Determine how the different ways are used to separate mixtures.
Identify the ways in which magnetic attraction, filtration, evaporation,
distillation and paper chromatography can be used in daily life.
Separation of Mixtures
Mixtures are matter that are made up of two or more compounds and/or
elements.
They can be easily separated.
Suspensions and solutions are mixtures.
Separation of Mixtures Techniques Magnetic Attraction Filtration Paper
Chromatography Distillation Evaporation
Separation of Mixtures
Magnetic Attraction
Separating mixtures containing magnetic material like iron, cobalt and
nickel.
Separation of Mixtures
Evaporation
Separating mixture of dissolved solids from a liquid .
Heat is applied to quicken evaporation but NOT to cause decomposition .
Separation of Mixtures
Filtration
Separating mixture of un-dissolved solids from a liquid .
Some Filtration Systems
Separation of Mixtures
Distillation
Separating liquid-liquid mixtures of different boiling points.
Temperature tells the type of vapour that is entering the condenser.
Laboratory Distillation Setup Stone chips are added into the liquid to allow
even and uniform boiling Cold and hot water enters from the bottom and top of
the condenser respectively. Water will gain heat as vapour condenses. Warmer
water is less effective in condensing vapour Thermometer at the entrance of
the condenser indicates the boiling point of the type of vapour entering it
Less Dense Component Denser Component
Separation of Mixtures
Paper Chromatography
Identify the type of substances in a mixture.
Each substance have different solubility in a common solvent.
(1) Mixtures added at the base line (2) Paper dipped into solvent for mixtures
(3) Component will run along paper as it dissolves in solvent Components of
Essential Oils are separated
Separation of Mixtures
What are the components in mixture X?
X Contains Red and Yellow Components Red X Yellow Blue
Separation of Mixtures
How do you separate a mixture of salt, sand and iron?
Salt Salt Salt Iron Iron Iron Sand Sand Sand
Magnetic attraction to get iron filings
Add water to dissolve salt
Filter to get sand residue
Evaporate filtrate to get salt
N S
Separation of Mixtures
Conclusion
5 simple methods of separating mixtures.
Different methods for components of mixtures with different properties.