What type of chromatography uses samples dissolved in a liquid? A. Column chromatography B. Paper chromatography C. Thin-layer chromatography D. Gas chromatography Answer: D. Gas chromatography

Which technique is used to separate a mixture by separating the particles based their sizes and weights? A. Chromatography B. Filtration C. Sublimation D. Distillation Answer: B. Filtration

What technique is used to separate mixtures which have different boiling points? A. Funnel B. Evaporation C. Filtration D. Distillation Answer: D. Distillation

What is another name for evaporating a solvent from a solution? A. Boiling B. Sublimation C. Concentration D. Melting Answer: C. Concentration

What technique separates components of a mixture based on electrical charges? A. Magnetic Separation B. Chromatography C. Filtration D. Electrolysis Answer: D. Electrolysis

What type of magnetic separation uses magnets to separate magnetic materials? A. Electrophoretic Separation B. Magnetic Separation C. Magnetic Induction D. Gas Chromatography Answer: B. Magnetic Separation

What type of chromatography separates mixtures based on their size? A. Gas Chromatography B. Column Chromatography C. Paper Chromatography D. Thin-Layer Chromatography Answer: B. Column Chromatography

What method is used to collect vapors or gasses using a condenser? A. Sublimation B. Decantation C. Centrifugation D. Fractional Distillation Answer: D. Fractional Distillation

What technique requires two solvents that are immiscible, such as oil and water? A. Solvent Extraction B. Centrifugation C. Sublimation D. Magnetic Separation Answer: A. Solvent Extraction

What type of chromatography uses thin layers of an adsorbent material? A. Thin-Layer Chromatography B. Column Chromatography C. Gas Chromatography D. Paper Chromatography Answer: A. Thin-Layer Chromatography

What type of filtration consists of the mixture being filtered against a porous material that keeps the solid components and lets the liquid pass through? A. Microfiltration B. Ultrafiltration C. Reverse Osmosis D. Nanofiltration Answer: B. Ultrafiltration

What technique helps separate mixtures that are immiscible in liquids? A. Decantation B. Boiling C. Distillation D. Sublimation Answer: A. Decantation

What type of separation method uses the physical forces of a centrifuge? A. Chromatography B. Centrifugation C. Electrophoresis D. Paper Chromatography Answer: B. Centrifugation

What type of chromatography uses a solvent that is adsorbed by the medium? A. Gas Chromatography B. Paper Chromatography C. Column Chromatography D. Thin-Layer Chromatography Answer: B. Paper Chromatography

What technique separates an insoluble solid from a liquid by allowing the solid to settle to the bottom of the container? A. Chromatography B. Distillation C. Precipitation D. Decantation Answer: D. Decantation

What is the process of manually separating a two-phase liquid mixture? A. Filtration B. Adsorption C. Sublimation D. Separating Funnel Answer: D. Separating Funnel

What type of chromatography separates mixtures based on their physical and chemical characteristics? A. Column Chromatography B. Gas Chromatography C. Paper Chromatography D. Thin-Layer Chromatography Answer: D. Thin-Layer Chromatography

What type of filtration consists of using a membrane to separate particles of a certain size? A. Nanofiltration B. Reverse Osmosis C. Microfiltration D. Ultrafiltration Answer: C. Microfiltration

What technique is used to separate a volatile solid from a non-volatile solid? A. Sublimation B. Evaporation C. Distillation D. Filtration Answer: A. Sublimation

What type of chromatography separates different components in a mixture of a gas or vapor? A. Column Chromatography B. Gas Chromatography C. Thin-Layer Chromatography D. Paper Chromatography Answer: B. Gas Chromatography