Separation Techniques Quiz

Soluble substances form ______ in water.

• Suspensions

• Solutions

• Sediments

• Scum

​ (a)   helps separate out dyes.

• Sieving

• Distillation

• Decantation

• Chromatography

A method of separating out sediments is ______.

• Filtration

• Decantation

• Evaporation

• Distillation

Used to separate suspensions from sawdust.

• Filtration

• Decantation

• Evaporation

• Chromatography

Used to separate large particles from small, e.g., lumps in flour.

• Filtration

• Decantation

• Sieving

• Chromatography

A soluble mixture in water is an example of a ______.

• Suspension

• Solution

• Colloid

• Emulsion

To separate impurities from water, you can use ______.

• Filtration

• Decantation

• Evaporation

• Chromatography

List the solutes and the solvents in a bottle of lemonade.

• Solutes: sugar, lemon juice; Solvents: water

• Solutes: water, lemon juice; Solvents: sugar

• Solutes: lemon juice, water; Solvents: sugar

• Solutes: sugar, water; Solvents: lemon juice

What method of separation would a student use to separate iron filings from talcum powder?

• Paper tissue from chalk dust

• magnets

• Impurities from food dye

• The pigments in food dye

If you were asked to separate a mixture of cocoa, sugar, and water, what method of separation would you use to get the cocoa out of the mixture?

• Filtration

• Evaporation

• Distillation

• Decantation