What type of separation technique provides solutions of different densities? A. Filtration B. Crystallization C. Distillation D. Chromatography Answer: C. Distillation

Which of the following is a physical separation technique? A. Sublimation B. Fractional distillation C. Decantation D. Evaporation Answer: A. Sublimation

Which separation technique is most often used to separate liquids from gases? A. Dialysis B. Sublimation C. Filtration D. Distillation Answer: D. Distillation

Which of the following is a process used to separate solutions by their boiling points? A. Sublimation B. Crystallization C. Centrifugation D. Fractional distillation Answer: D. Fractional distillation

Which separation technique is a type of chromatography which separates materials on the basis of the strength of their interactions with a separating medium? A. Recrystallization B. Electrophoresis C. Dialysis D. Paper chromatography Answer: D. Paper chromatography

Which separation technique makes use of a solution containing dissolved electrolytes that are separated by a semipermeable membrane? A. Distillation B. Sublimation C. Filtration D. Dialysis Answer: D. Dialysis

What type of separation technique is used to separate a mixture of solids of different sizes or densities? A. Centrifugation B. Sublimation C. Filtration D. Evaporation Answer: A. Centrifugation

What type of separation technique is used to separate different molecules in a mixture by speed of migration across a stationary phase? A. Sublimation B. Recrystallization C. Chromatography D. Electrophoresis Answer: D. Electrophoresis

Which separation technique is used to separate two dissimilar liquids that do not mix? A. Chromatography B. Crystallization C. Centrifugation D. Decantation Answer: D. Decantation

What type of separation technique is used to separate solid particles based on their solubility? A. Sublimation B. Decantation C. Paper chromatography D. Solvent extraction Answer: D. Solvent extraction

Which separation technique is used to separate insoluble solids from soluble liquids? A. Electrophoresis B. Filtration C. Sublimation D. Centrifugation Answer: B. Filtration

Which separation technique is a form of chromatography in which a solvent is passed through a solid or liquid stationary phase? A. Recrystallization B. Column chromatography C. Dialysis D. Evaporation Answer: B. Column chromatography

What type of separation technique is used to separate a solid substance from a liquid? A. Decantation B. Filtration C. Electrophoresis D. Sublimation Answer: B. Filtration

What type of separation technique is used to separate solids that have different solubilities in a particular solvent? A. Recrystallization B. Evaporation C. Decantation D. Chromatography Answer: A. Recrystallization

What type of separation technique is used to separate two or more solids with different melting points? A. Crystallization B. Centrifugation C. Dialysis D. Column chromatography Answer: A. Crystallization

Which of the following is a separation technique that relies on differences in vapor pressure between substances? A. Column chromatography B. Chromatography C. Evaporation D. Distillation Answer: D. Distillation

What type of separation technique is used to separate small molecules from larger molecules? A. Centrifugation B. Sublimation C. Dialysis D. Chromatography Answer: C. Dialysis

What type of separation technique is used to separate two liquids that are not soluble in each other? A. Electrophoresis B. Decantation C. Chromatography D. Column chromatography Answer: B. Decantation

Which of the following is a separation technique that relies on differences in the size of particles? A. Distillation B. Chromatography C. Filtration D. Column chromatography Answer: C. Filtration

Which of the following is a separation technique used to separate ions or molecules on the basis of charge? A. Recrystallization B. Column chromatography C. Sublimation D. Electrophoresis Answer: D. Electrophoresis