fractions in crude oil - separated by fractional distillation, evaporation or boiling - when a liquid turns to a gas, crystallisation - forming solid crystals from solution, filtering - method of separating sand from water, decanting - pouring a liquid off the top of a mixture, solution - produced when salt is dissolved in water, solvent - name given to the liquid that dissolves a substance, soluble - able to dissolve, distillation - process used to separate mixture of liquids, forensics - area of science that finds evidence of crimes from experiments, copper sulphate - made when copper oxide reacts with sulphuric acid, sodium chloride - salt crystals used in cooking, chromatography - method of using paper to separate out pigments in inks, mixture - atoms and molecules together but not chemically combined, kerosene - a hydrocarbon separated out of crude oil, gas - state of matter which has the most energy, residue - substance left on filter paper, diffusion - when particles move from a high to a low concentration, filter funnel - apparatus which you put filter paper in, hydrocarbon - a compound made of carbon and hydrogen only,

C5.1 Separation techniques

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