NLN PAX RN Study Guide

NLN PAX RN Study Guide homogenous mixture a mixture in which the composition is uniform throughout solution a homogeneous mixture of two or more substances uniformly dispersed throughout filtration a process that separates a solid from the liquid in a heterogeneous mixture solvent a liquid substance capable of dissolving other substances solute the dissolved substance in a solution tincture A solution, usually alcoholic, of some principle used in medicine. chromatography the process of seperating a chemical mixture into its individual substances heterogeneous mixture least mixed, does not appear to be same throughout, particles easy to see emulsion A uniform mixture of two unmixable liquids; it is often temporary (oil in water) solubility the ability of one substance to dissolve in another at a given temperature and pressure distillation the process of purifying a liquid by boiling it and condensing its vapors chemical change a change that produces matter with a different composition than the original matter physical change