Separating Mixtures - GCSE Chemistry
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7 questions
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- Q1Which method would you use to separate an insoluble solid from a liquid?CrystallisationFiltrationDistillationChromatography30s
- Q2Which of the following statements is not true?The different elements in a mixture are chemically joined togetherThe mixture formed by a solvent and solute is called a solutionA solvent is a liquid that dissolves substancesA substance that dissolves in a solvent is called a solute30s
- Q3What is another name for crystallisation?FiltrationEvaporationDistillationChromatography30s
- Q4Which method would you use to purify salty water?EvaporationChromatographyDistillationFiltration30s
- Q5What is fractional distillation used to separate?Two or more liquids with different boiling pointsTwo or more liquids with the same boiling pointTwo or more dissolved solids from a solutionA soluble solid from a liquid30s
- Q6In 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 washing away the pencil lineTo prevent it from contaminating the solventTo prevent it from turning the paper mouldyTo prevent the spots of coloured substances from dissolving30s
- Q7Which of the following separation techniques contains a fractioning column?FiltrationChromatographyFractional DistillationSimple Distillation30s