separation techniques

​Separation techniques

Mayar Mahmoud​

Multiple Choice

Name the separation technique

• Filtration

• Evaporation

• Centrifugation

• Distillation

Multiple Choice

In a salt water solution ...

• Salt is the solute and water is the solvent

• Salt is the solvent and water is the solute

​Matter

​Physical properties

• particle size

• density

• solubility

• boiling and melting points

• magnetism

• ​electrostatic attraction

​Sieving

A separation technique​ where particles are separated by size

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​Density

The mass of a substance​ per unit volume

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​Sedimentation

A separation technique where insoluble ​particles suspended in mixtures are allowed to settle from liquid or gas , often when liquid or gas is stationary

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​Decantation

​A separation technique which involves pouring liquid from above insoluble particles that had settled at the bottom of mixture

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​Miscibility

The ability of a liquid solute to dissolve in a liquid solute​

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Multiple Choice

Name the separation technique

• Distillation

• Crystallisation

• Evaporation

• Condensation

Multiple Choice

Name the separation technique

• Filtration

• Evaporation

• Centrifugation

• Distillation

Multiple Choice

Name the separation technique

• Filtration

• Evaporation

• Distillation

• Separation

Multiple Choice

Name the separation technique

• Centrifuge

• Crystallisation

• Distillation

• Evaporation

Multiple Choice

Name the separation technique

• Distillation

• Crystallisation

• Evaporation

• Condensation

Multiple Choice

True or false: Magnets can be used to separate iron filings from sand

• True

• False

Multiple Choice

Name the separation technique

• Centrifuge

• Crystallisation

• Distillation

• Evaporation

Multiple Choice

Which of the following techniques can we use to separate homogeneous mixtures?

• Crystallisation

• Distillation

• Evaporation

• All of the above

Multiple Choice

Name the separation technique

• Filtration

• Evaporation

• Distillation

• Separation

Multiple Choice

In a salt water solution ...

• Salt is the solute and water is the solvent

• Salt is the solvent and water is the solute

Fill in the Blank

What do you think is the properties do I mentioned in my techniques

Multiple Choice

True or false: Magnets can be used to separate iron filings from sand

• True

• False

Multiple Choice

True or false: Sieving can be used to separate a mixture with two solid components of different sizes

• True

• False

Multiple Choice

True or false: Decanting is a technique that can be used to separate a salt water solution

• True

• False

Multiple Choice

What is the basis for separating the components of a mixture through distillation?

• freezing point of the substances

• room temperature

• decaying period

• boiling point of the substances

Multiple Choice

The image shows a mixture of concrete nails and saw dusts. What technique is best to use to separate the nails from the saw dusts?

• sieving

• chromatography

• decantation

• magnetic separation

Multiple Choice

Water is the univeral ____.

• solute

• solvent

• solution

Multiple Choice

solute + solvent =

• solution

• equation

Multiple Choice

What is a solute?

• The substance that does the dissolving in a solution.
• The substance that is dissolved into the solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

Multiple Choice

Mixture of sugar and hot water.

• Homogeneous

• Heterogeneous

Multiple Choice

• Homogeneous

• Heterogeneous

Multiple Choice

• Homogeneous

• Heterogeneous