C1.3&4 Separating mixtures 0.0 / 5 ? ChemistryAtomsGCSEAQA Created by: millie23sutcliifeCreated on: 29-05-18 10:25 What is a mixture? Two or more substances (elements or compounds) that are not chemically combined together. 1 of 12 What are the 5 methods to separate a mixture? Filtration, Crystallisation, Distillation, Fractional distillation, Chromatography 2 of 12 What is filtration used to separate? Substances that are insoluble in a solvent from the ones that are soluble in the solvent? 3 of 12 Give an example of when you would use filtration. To separate sand and salt. 4 of 12 What is crystallisation used to separate? A soluble solid from a solvent. 5 of 12 Give an exmple of when you would use crystalisation. To obtain pure salt from a salt solution. 6 of 12 What is distillation used to separate? A solvent from a soluble solid. 7 of 12 Give an example of when you would use distillation. To obtain pure water from a salt solution. 8 of 12 What is fractional distillation used to separate? Two liquids with similar boiling points. 9 of 12 Give an example of when you would use fractional distillation. To separate ethanol and water. 10 of 12 What is chromatography used to separate? Mixtures of substances dissolved in a solvent. 11 of 12 Give an example of when you would use chromatography. To separate the inks in a pen. 12 of 12
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