The diagram shows a conical flask connected to a funnel fitted with filter paper. Which piece of apparatus ensures faster separation of the filtrate under reduced pressure?

About Experimental Techniques in Chemistry

Separation methods are selected according to differences in solubility, particle size, volatility and sublimation behaviour. Filtration and crystallisation separate insoluble or dissolved solids, sublimation isolates suitable volatile solids, distillation separates liquids by boiling point, and solvent extraction transfers a substance between immiscible solvents.

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