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SEPARATING MIXTURES (methods to separate (magnetic separation (some metals…
SEPARATING MIXTURES
methods to separate
magnetic separation
some metals are magnetic
we can use to separate
paper and plastic= no magnetic
metals=magnetic
filtration
filter stops the small particles
pass throught
gases
liquids
evaporation
when the water heats
it become a vapour
leaving solid deposits
decantation
separate mixture of liquid and solid
liquids with different densities
oil and water
sediment at the bottom
sand and water
distillation
liquids have different boiling points
we heat a mixture
we can collect the ethanol
HOMOGENEOUS MIXTURES
we can´t see the different subtances
because they aren´t combined evenly
juice
HETEROGENEOUS MIXTURES
we see the varios subtances
because they are more closely combined
salad
boils: water 100º and ethanol 78º
water and ethanol
