Separating mixtures

Which method is used to separate sand from a mixture of sand and water?

• Filtration

• Crystallisation

• Simple distillation

• Fractional distillation

What is the purpose of crystallisation?

• To separate a soluble solid from a liquid

• To separate an insoluble solid from a liquid

• To separate two immiscible liquids

• To separate a mixture of gases

How are large, regularly shaped crystals obtained from crystallisation?

• By heating the solution with a Bunsen burner

• By pouring the excess liquid away

• By drying the crystals using a warm oven

• By filtering the remaining solution

Which method is used to obtain copper sulfate crystals from copper sulfate solution?

• Filtration

• Crystallisation

• Simple distillation

• Fractional distillation

What is the purpose of filtration?

• To separate a soluble solid from a liquid

• To separate an insoluble solid from a liquid

• To separate two immiscible liquids

• To separate a mixture of gases

Which method is used to separate sand from a mixture of sand and water?

• Filtration

• Crystallisation

• Simple distillation

• Fractional distillation