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MIXTURE, Ways of Separating Mixture, mixtures that have different…
MIXTURE
Importance of Separating Mixtures
to reduce waste and pollution
to help in daily activiies
to obtain pure substances
to improve quality of products
to make the substances clean and safe
Ways of Separating Mixture
Handpicking
unwanted solid is removed by hand
Winnowing
lighter particles are blown away by air
Sieving
smaller particles pass through holes while larger one remains on the sieve
Filtration
liquid passess through filter paper
Magnetic Separation
magnet attracts magnetic materials
Sedimentation
heavier solid settles at the bottom
Decantation
clear liquid is carefully poured off to another container
Evaporation
evaporates on the process of heating: solid remains on the evaporating dish
Distillation
liquid separates by different boiling points
Chromatography
components move up at different speeds through a chromatography paper
Centrifugation
fast spinning separates heavier parts using a centrifuge machine
mixtures that have different properties in different parts of the mixture.
mixtures that have a uniform composition and the same properties throughout.
a combination of two or more substances in any proportion.
can be solid, liquid and gas
can be separated
Type of Mixture
Heterogenous Mixture
Suspension
Colloids
Homogenous Mixture
True solution
Alloy
