Chemistry Separation Techniques Quiz

What is the primary purpose of filtration in separation processes?

• To evaporate volatile liquids

• To remove insoluble impurities

• To separate components based on solubility

• To condense vapors

Which separation technique is commonly used in forensic analysis to separate complex mixtures of compounds?

• Filtration

• Decantation

• Crystallisation

• Chromatography

Which separation technique relies on differences in boiling points to separate components?

• Filtration

• Crystallisation

• Chromatography

• Distillation

Which of the following methods can be used to separate a mixture of iron and copper fillings?

• Magnetic separation

• Crystallisation

• Evaporation

• Distillation

Which separation technique is commonly used in the purification of drinking water?

• Distillation

• Centrifugation

• Filtration

• Crystallisation

Which separation technique is best suited for isolating pure salt from a saltwater solution?

• Crystallisation

• Decantation

• Chromatography

• Centrifugation

What is the main principle behind chromatography as a separation technique?

• Adsorption interactions

• Magnetic properties

• Density differences

• Solubility variations

In the process of distillation, what is the purpose of the condenser?

• To separate components based on boiling points

• To cool and condense vapors

• To collect the distillate

• To heat the mixture

What property of substances is exploited in the process of sublimation for separation?

• Melting points

• Boiling points

• Solubility

• Vapor pressure

Which of the following is an example of a physical separation technique?

• Neutralization

• Sublimation

• Combustion

• Decomposition