Separating mixtures

Two or more substances mingled together, but not chemically combined are known as a

• residue
• solution
• distillate
• mixture

The air we breathe is a mixture of gases.

• True

• False

Mrs V wants to separate the salt from the water in her glass of salt water. What separation method should she use?

• Magnets

• Evaporation

• Filtration

• Chromatography

Nicole wants to dissolve a substance in water. Which substance will dissolve the easiest?

• Rocks

• sugar

• pepper

• sand

Tags

NGSS.MS-PS1-2

To separate a mixture of soil and water what separation method would be the best to use?

• Filtration

• Distillation

• Chromatography

• Evaporation

To separate a mixture of salt and water what separation method is used?

• Filtration
• Distillation
• Chromatography
• Evaporation

What kind of mixture is a combination of substances that has uniform composition and appearance?

• colloid

• heteregenous

• homogeneous

• suspension

This technique in this picture is based on the differences of the boiling point of the substance in the mixture. It is called

• decantation

• distillation

• filtration

• chromatography

What is the process of separating at which the components move at different rates?

• centrifugation
• chromatography
• heating
• decantation

Which method separates particles based on size?

• chromatography

• decantation

• distillation

• Filtration