What are 4 methods of separating the parts of a mixture?

Answer 1

1) magnetic attraction: Used to separate particles out based on magnetic properties

2) distillation: Used to separated gases with different boiling points

3) sifting: A form of filtration used to remove larger particles from smaller ones

4) centrifuge: Used to remove suspended particles from solution

5) chromatography: Used to separate constituents of mixture based on chemical properties such as polarity

6) Through filtration: allows smaller particles to pass without allowing larger ones through

7) sedimentation: see centrifuge

8) Gravity separation: is an industrial method of separating two components from a suspension or any homogenous mixture.

9) Electrophoresis: used to separate molecules based on size or size-to-charge ratio

Answer 2

5 ways to separate mixtures are distillation, filtration, condensation/distillation, Evaporation, chromatography, centrifuging and magnetism.

• Chromatography - To separate different coloured dyes. The dyes travel up the chromatography paper at different distances before they cannot remain in solution. The more soluble dyes move further up than the less soluble ones, hence separating from each other.

• Distillation - to separate and collect a liquid from a solution of a soluble solid. The solution is heated in a flask until the liquid boils. The vapour produced passes into the condenser where it is cooled and condenses to a liquid. The pure liquid (distillate) is collected in a beaker.

• Evaporation - This method is suitable to separate a soluble solid from a liquid. If the solution is heated, the liquid evaporates leaving the solid behind.

• Fractional Distillation - This is a special type of distillation used to separate a mixture of liquids. Different liquids boil at different temperatures. When heated, they boil off and condense at different times. The apparatus features a fractionating column, which ensures that only the liquid boils at its boiling point will pass into the condenser.

• Filtration - To separate an insoluble solid from a liquid. The solid remains in the filter paper and the liquid goes through the paper into the beaker.

Some of the example mixtures that can be separated using the above mentioned techniques:

(1) separating dyes in inks, or chlorophyll in plants (ethanol as solvent) - chromatography;

(2) separating sand from water - filtration;

(3) separating ethanol and water - fractional distillation;

(4) separating water from ink - simple distillation;

(5) separating salt from water - evaporation

Answer 3

Four ways in which you can separate mixtures are: - Centrifugation - Filtration - Sedimentation (and decanting) - Evaporation and Crystalisation These are not the only ways however; mainly because not all mixtures are the same

Answer 4

You can dissolve it, separate it out with your hands, evaporate it, or use magnets to separate the iron objects.

Answer 5

Examples: distillation, decantation, electromagnetic separation, sieving, flotation etc.

Answer 6

Distillation [using heat]

Centrifuge [using density]

Filtration [using particle size]

Magnetism [using magnetic attraction]

Answer 7

Distillation, filtering, sifting, and evaporation.

Answer 8

Four methods are: filtration, distillation, magnetic separation, precipitation.

Answer 9

Filtering , Boiling,Evaporating