1. Filtration: This is a technique used to separate solids from liquids or gases using a filter that only allows the liquid or gas to pass through. The solid particles are trapped in the filter.

2. Distillation: This technique is used to separate a liquid from a mixture based on differences in boiling points. The mixture is heated until the component with the lower boiling point evaporates, then this vapor is condensed and collected separately.

3. Chromatography: This is a method used to separate the components of a mixture based on their different affinities for a stationary and a mobile phase. The mixture is carried by the mobile phase along the stationary phase, and the different components move at different rates, allowing them to be separated.

4. Centrifugation: This technique is used to separate components of a mixture based on their densities. The mixture is spun at high speed, causing the denser components to move towards the bottom.

5. Decantation: This is a process used to separate mixtures, usually a liquid and a solid. The mixture is left undisturbed to allow the solid to settle at the bottom, then the liquid is carefully poured off.

6. Evaporation: This method is used to separate a soluble solid from a liquid. The mixture is heated to evaporate the liquid, leaving the solid behind.

7. Crystallization: This technique is used to purify a solid. The mixture is dissolved in a hot solvent and then allowed to cool. As the solution cools, the solute comes out of solution and forms crystals, which can then be collected.

8. Sublimation: This is a technique used to separate substances that sublimate from those that do not. The mixture is heated and the substance that sublimates changes directly from a solid to a gas, leaving the other components behind.

Question

1. Filtration: This is a technique used to separate solids from liquids or gases using a filter that only allows the liquid or gas to pass through. The solid particles are trapped in the filter.

2. Distillation: This technique is used to separate a liquid from a mixture based on differences in boiling points. The mixture is heated until the component with the lower boiling point evaporates, then this vapor is condensed and collected separately.

3. Chromatography: This is a method used to separate the components of a mixture based on their different affinities for a stationary and a mobile phase. The mixture is carried by the mobile phase along the stationary phase, and the different components move at different rates, allowing them to be separated.

4. Centrifugation: This technique is used to separate components of a mixture based on their densities. The mixture is spun at high speed, causing the denser components to move towards the bottom.

5. Decantation: This is a process used to separate mixtures, usually a liquid and a solid. The mixture is left undisturbed to allow the solid to settle at the bottom, then the liquid is carefully poured off.

6. Evaporation: This method is used to separate a soluble solid from a liquid. The mixture is heated to evaporate the liquid, leaving the solid behind.

7. Crystallization: This technique is used to purify a solid. The mixture is dissolved in a hot solvent and then allowed to cool. As the solution cools, the solute comes out of solution and forms crystals, which can then be collected.

8. Sublimation: This is a technique used to separate substances that sublimate from those that do not. The mixture is heated and the substance that sublimates changes directly from a solid to a gas, leaving the other components behind.

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