OCR•GCSE•Chemistry
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Elements, Compounds and Mixtures
Purity, separation techniques, and groups of the periodic table
Practice 53 subtopics in Elements, Compounds and Mixtures. All questions match the OCR GCSE specification.
About Elements, Compounds and Mixtures
Elements, Compounds and Mixtures is a key topic in the OCR GCSE Chemistryspecification. This topic covers purity, separation techniques, and groups of the periodic table.
Master all 53 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (53)
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Pure substancesMelting point of pure substancesBoiling point of pure substancesMixturesFormulationsExamples of formulationsFiltrationEvaporationCrystallisationSimple distillationFractional distillationPaper chromatographyRf valuesCalculating Rf valuesInterpreting chromatogramsRelating structure to propertiesIonic compound propertiesSimple molecular propertiesGiant covalent propertiesMetallic propertiesNanoparticlesSize of nanoparticlesSurface area to volume ratioProperties of nanoparticlesUses of nanoparticlesRisks of nanoparticlesGroup 1 - The alkali metalsProperties of alkali metalsReactions with waterReactions with oxygenReactions with chlorineTrends in Group 1Explaining reactivity trendsGroup 7 - The halogensPhysical properties of halogensColours and states of halogensReactions of halogensHalide compoundsDisplacement reactionsTrends in Group 7Explaining reactivity trendsGroup 0 - The noble gasesProperties of noble gasesElectronic configurationUnreactivity of noble gasesUses of noble gasesTrends in boiling pointsTransition metalsPosition in periodic tableProperties of transition metalsColoured compoundsCatalytic propertiesUses of transition metals
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