SB2 L024 Separating Mixtures

What is the main purpose of filtration in separating mixtures?

• To separate dissolved substances from a solution

• To separate insoluble solids from liquids

• To evaporate water from a solution

Which piece of equipment is essential for carrying out filtration in a laboratory?

• Bunsen burner

• Filter paper

• Thermometer

Which method is best for separating a mixture of sand and water?

• Distillation

• Filtration

• Evaporation

What is the main principle behind distillation?

• Separation by size

• Separation by boiling point

• Separation by density

In simple distillation, what is collected in the receiving flask?

• The insoluble solid

• The solvent (distillate)

• The residue

Which part of the distillation apparatus cools the vapour back into a liquid?

• Filter paper

• Condenser

• Beaker

Which of the following is NOT an application of distillation?

• Purifying drinking water

• Separating petrol from crude oil

• Separating sand from water

What is the boiling point of pure water at standard atmospheric pressure?

During distillation, what happens to the liquid with the lowest boiling point?

• It remains in the flask

• It evaporates first and is collected

• It forms a precipitate

Which of the following mixtures can be separated by simple distillation?

• Salt and water solution

• Oil and water mixture

• Air