Separation Techniques Revision

Separation Techniques Revision

By Kellie Jackson

Filtration

Filtration is used to separate substances according to the size of their particles.​

​Magnetic Separation

​Magnetic separation is used to separate magnetic materials from non-magnetic materials.

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Decanting​

​Decanting is used to separate liquid from sediment by carefully pouring the liquid, leaving the sediment behind.

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Multiple Choice

Which property is used to separate substances during filtration?

• Density

• Magnetism

• Particle Size

• Particle Weight

Chromatography​

​Chromatography is used to separate the substances in a mixture based on their solubility.

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Multiple Choice

Chromatography separates substances according to their...

• Density

• Solubility

• Size

• Weight

Draw

Circle the most soluble substance in on the chromatography paper below.

Centrifuging​

​Centrifuging is used to separate light and heavy particles by spinning a mixture.

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Distillation​

Distillation uses evaporation (heating) and condensation (cooling) to separate the components of a liquid mixture according to their boiling points.

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Multiple Choice

The separation technique shown in the image is called what?

• Chromatography

• Distillation

• Centrifuging

• Decanting