Which method would you use to separate an insoluble solid from a liquid?DistillationFiltrationCrystallisationChromatography2Which of the following statements is not true?The mixture formed by a solvent and solute is called a solutionA solvent is a liquid that dissolves substancesThe different elements in a mixture are chemically joined togetherA substance that dissolves in a solvent is called a solute3What is another name for crystallisation?DistillationChromatographyEvaporationFiltration4Which method would you use to purify salty water?EvaporationFiltrationChromatographyDistillation5What is fractional distillation used to separate?Two or more liquids with the same boiling pointTwo or more dissolved solids from a solutionA soluble solid from a liquidTwo or more liquids with different boiling points6In paper chromatography – a method used for separating dissolved substances from one another – why should the level of the solvent in the beaker be below the pencil line on the paper?To prevent it from contaminating the solventTo prevent the spots of coloured substances from dissolvingTo prevent it from turning the paper mouldyTo prevent it from washing away the pencil line