3rd Form Easy Test: Separating Techniques Quiz

Which technique is best for separating an insoluble solid from a liquid?

• Distillation
• Filtration
• Evaporation
• Chromatography

What is the primary purpose of chromatography?

• To separate liquids based on boiling points
• To identify pigments in a mixture
• To separate solids from liquids
• To purify metals

Which mixture can be effectively separated using a separating funnel?

• Oil and water
• Salt and sand
• Sugar and water
• Ethanol and water

What process separates two or more liquids based on their boiling points?

• Filtration
• Crystallization
• Simple distillation
• Sublimation

In fractional distillation, the fractionating column is used to:

• Heat the mixture
• Increase the surface area for vapor to condense
• Cool the distillate
• Measure the temperature of boiling

Which separation technique is most suitable for extracting salt from seawater?

• Filtration
• Chromatography
• Evaporation
• Sublimation

What role does the condenser play in a simple distillation setup?

• It boils the liquid
• It separates the liquid into layers
• It cools and condenses the vapor into liquid
• It filters impurities

To separate iron filings from sulfur powder, which technique would you use?

• Chromatography
• Filtration
• Magnetic separation
• Evaporation

What is the function of filter paper in the filtration process?

• To allow both liquid and solid to pass
• To dissolve the solute in the solvent
• To trap the insoluble solid
• To evaporate the liquid

During crystallization, what happens to the solvent?

• It evaporates
• It condenses
• It forms crystals
• It is separated by magnetic attraction