Separation Techniques Quiz

Which of the following techniques is used to separate a solid from a liquid?

• Filtration

• Distillation

• Evaporation

• Chromatography

What is the main principle behind distillation?

• Differences in particle size

• Differences in boiling points

• Differences in solubility

• Differences in density

Which method can be used to separate a mixture of sand and salt?

• Filtration followed by evaporation

• Chromatography followed by distillation

• Magnetic separation

• Decantation

In chromatography, what does the solvent do?

• It acts as a solid support.

• It helps to separate components based on size.

• It carries the mixture to be separated.

• It increases the temperature of the mixture.

Which of the following is NOT a method of separating mixtures?

• Filtration

• Distillation

• Incineration

• Centrifugation

What is the purpose of using a centrifuge in separation techniques?

• To heat the mixture

• To separate substances based on their densities

• To mix substances evenly

• To filter out impurities

When separating a mixture of colored inks, which technique would be most effective?

• Filtration

• Distillation

• Chromatography

• Evaporation

Which technique would you use to separate water from a salt solution?

• Filtration

• Distillation

• Decantation

• Centrifugation

When is it appropriate to use evaporation as a separation technique?

• When separating two solids

• When separating a soluble solid from a liquid

• When separating two liquids

• When separating a gas from a liquid

Which of the following statements is true about mixtures?

• Mixtures can only be separated by chemical means.

• Mixtures retain the properties of their individual components.

• Mixtures cannot be homogeneous.

• Mixtures are always in solid form.