CCEA · GCSE

Your journey to excellence inChemistry

By Revision Genie

I want to study…
1Definition of Pure SubstancesRead next2Melting and Boiling Points of Pure SubstancesRead next3Distinguishing Pure Substances from MixturesRead next4What is a Formulation?Read next5Examples of FormulationsRead next6Key Terms: Solute, Solvent, and SolutionRead next7Key Terms: Residue and FiltrateRead next8Key Terms: Distillate and CondensationRead next9Key Terms: Miscible and ImmiscibleRead next10Filtration TechniqueRead next11Crystallisation TechniqueRead next12Simple Distillation TechniqueRead next13Fractional Distillation TechniqueRead next14Paper Chromatography TechniqueRead next15How Paper Chromatography WorksRead next16Interpreting Paper ChromatogramsRead next17Calculating Rf Values in ChromatographyRead next18Choosing Effective Separation MethodsRead next19Planning Separation ExperimentsRead next20Making Water Potable: Filtration and SedimentationRead next21Making Water Potable: Chlorination ProcessRead next22Distillation of Seawater for Potable WaterRead next23Testing for Water Using Anhydrous Copper(II) SulfateRead next24Conducting a Flame TestRead next25Flame Colours of Metal IonsRead next26Testing for Metal Ions Using Sodium Hydroxide SolutionRead next27Testing for Metal Ions Using Ammonia SolutionRead next28Testing for Halide Ions Using Silver Nitrate SolutionRead next29Testing for Sulfate Ions Using Barium Chloride SolutionRead next30Testing for Carbonate Ions Using Dilute AcidRead next31Writing Ionic Equations for Halide and Sulfate TestsRead next32Writing Ionic Equations for Metal Ion TestsRead next33Understanding Precipitation Reactions in Ion TestsRead next34Designing Experiments to Identify IonsRead next35Prescribed Practical: Identifying Ions in Ionic CompoundsRead next
1Definition of SolubilityRead next2Units of SolubilityRead next3Factors Affecting SolubilityRead next4Solubility of Solids in WaterRead next5Solubility of Gases in WaterRead next6Effect of Temperature on Solubility of SolidsRead next7Effect of Temperature on Solubility of GasesRead next8Saturated SolutionsRead next9Formation of Saturated SolutionsRead next10Identifying Saturated SolutionsRead next11Cooling Saturated SolutionsRead next12Solute Deposition upon CoolingRead next13Calculating Solubility from DataRead next14Experimental Determination of SolubilityRead next15Prescribed Practical: Determining Solubility of a SolidRead next16Interpreting Solubility Data TablesRead next17Drawing Solubility CurvesRead next18Interpreting Solubility CurvesRead next19Relationship Between Solubility and TemperatureRead next20Comparison of Solubility Trends for Solids and GasesRead next21Applications of Solubility in Everyday LifeRead next22Applications of Solubility in Industrial ProcessesRead next23Common Exam Traps in Solubility CalculationsRead next24Graphing Solubility Data Step-by-StepRead next25Predicting Solubility at Different TemperaturesRead next26Impact of Pressure on Gas SolubilityRead next27Saturation Point and Dynamic EquilibriumRead next28Using Solubility for Chemical AnalysisRead next29Solubility and Environmental ImplicationsRead next30Solubility of Ionic Compounds in WaterRead next31Solubility and Precipitation ReactionsRead next32Solubility Product (Ksp) Concept OverviewRead next
1Defining Rate of ReactionRead next2Rate = Change in Quantity/TimeRead next3Measuring Gas Volume Over TimeRead next4Measuring Mass Loss Over TimeRead next5Observing Precipitate Formation Over TimeRead next6Factors Affecting Reaction RateRead next7Effect of Temperature on Reaction RateRead next8Effect of Concentration on Reaction RateRead next9Effect of Surface Area on Reaction RateRead next10Collision Theory BasicsRead next11Frequency of Collisions and Reaction RateRead next12Energy of Collisions and Activation EnergyRead next13Role of Catalysts in ReactionsRead next14Catalysts and Activation EnergyRead next15Transition Metals as CatalystsRead next16Graphing Reaction Rate DataRead next17Interpreting Reaction Rate GraphsRead next18Comparing Rates from Graph SlopesRead next19Using Tangents to Find Instantaneous RatesRead next20Investigating Metal and Acid ReactionsRead next21Investigating Calcium Carbonate and Acid ReactionsRead next22Investigating Hydrogen Peroxide DecompositionRead next23Investigating Sodium Thiosulfate and Acid ReactionRead next24Designing Rate of Reaction ExperimentsRead next25Common Errors in Rate ExperimentsRead next26Safety Precautions in Rate ExperimentsRead next27Practical: Measuring Gas Volume RatesRead next28Practical: Measuring Mass Loss RatesRead next29Practical: Observing Precipitate FormationRead next30Practical: Effect of Temperature on RateRead next31Practical: Effect of Concentration on RateRead next32Practical: Effect of Surface Area on RateRead next33Practical: Using Catalysts in ReactionsRead next34Exam Trap: Misinterpreting GraphsRead next35Exam Trap: Confusing Rate and TimeRead next36Exam Trap: Incorrect Units for RateRead next37Exam Trap: Overlooking Controlled VariablesRead next
1Introduction to Reversible ReactionsRead next2Characteristics of Reversible ReactionsRead next3Dynamic Equilibrium DefinitionRead next4Conditions for Dynamic EquilibriumRead next5Forward and Reverse Reaction RatesRead next6Le Châtelier's Principle OverviewRead next7Effect of Concentration Changes on EquilibriumRead next8Effect of Temperature Changes on EquilibriumRead next9Effect of Pressure Changes on EquilibriumRead next10Predicting Equilibrium Shifts with Le Châtelier's PrincipleRead next11Closed System Requirement for EquilibriumRead next12Understanding Homogeneous Systems in EquilibriumRead next13Introduction to the Haber ProcessRead next14Chemical Equation of the Haber ProcessRead next15Raw Materials for the Haber ProcessRead next16Conditions Used in the Haber ProcessRead next17Role of Catalyst in the Haber ProcessRead next18Trade-Off Between Yield and Rate in the Haber ProcessRead next19Effect of Temperature on Ammonia YieldRead next20Effect of Pressure on Ammonia YieldRead next21Economic Considerations in the Haber ProcessRead next22Environmental Impact of the Haber ProcessRead next23Applications of Ammonia Produced in the Haber ProcessRead next24Examining the Reversibility of the Haber ProcessRead next25Worked Example: Calculating Equilibrium ConcentrationsRead next26Worked Example: Predicting Equilibrium ShiftsRead next27Common Exam Traps in Equilibrium QuestionsRead next28Interpreting Graphs of Equilibrium SystemsRead next29Experimental Setup for Investigating EquilibriumRead next30Factors Affecting Reaction Rates in Reversible ReactionsRead next31The Role of Energy in Reversible ReactionsRead next32Examining Activation Energy in Equilibrium SystemsRead next33Impact of Industrial Conditions on EquilibriumRead next34Comparing Laboratory and Industrial Equilibrium ConditionsRead next
1Introduction to HydrocarbonsRead next2Definition of Homologous SeriesRead next3Properties of Homologous SeriesRead next4Gradation in Physical PropertiesRead next5Chemical Properties of Homologous SeriesRead next6The General Formula of AlkanesRead next7The General Formula of AlkenesRead next8The General Formula of AlcoholsRead next9The General Formula of Carboxylic AcidsRead next10Structure and Formula of AlkanesRead next11Structure and Formula of AlkenesRead next12Structure and Formula of AlcoholsRead next13Structure and Formula of Carboxylic AcidsRead next14What is Crude Oil?Read next15Fractional Distillation ProcessRead next16Uses of Crude Oil FractionsRead next17Refinery Gases and Their UsesRead next18Petrol and Its ApplicationsRead next19Naphtha and Chemical ManufacturingRead next20Kerosene as Aircraft FuelRead next21Diesel for Cars and TrainsRead next22Fuel Oils for ShipsRead next23Bitumen for Roads and RoofsRead next24Cracking of HydrocarbonsRead next25Complete Combustion of HydrocarbonsRead next26Incomplete Combustion of HydrocarbonsRead next27Toxicity of Carbon MonoxideRead next28Functional Groups in Organic ChemistryRead next29Reactivity of Alkanes vs AlkenesRead next30Addition Reactions of AlkenesRead next31Testing for C=C Bonds with Bromine WaterRead next32Introduction to PolymerisationRead next33Addition Polymerisation ProcessRead next34Writing Polymerisation EquationsRead next35Structure of Polymers from MonomersRead next36Environmental Impact of PolymersRead next37Disposal of Polymers: Landfill vs IncinerationRead next38Preparation of Ethanol by FermentationRead next39Combustion of AlcoholsRead next40Oxidation of AlcoholsRead next41Reactions of Carboxylic AcidsRead next42Environmental Pollution from CombustionRead next43Greenhouse Effect and Climate ChangeRead next44Identifying Organic Compounds via TestsRead next45Advantages of Crude Oil as a ResourceRead next46Finite Nature of Crude OilRead next47Safety in Handling Organic CompoundsRead next
1Definition of ElectrolysisRead next2Understanding ElectrolytesRead next3Role of Anode and CathodeRead next4Movement of Ions in ElectrolysisRead next5Electrolysis of Molten SaltsRead next6Electrolysis of Lithium ChlorideRead next7Electrolysis of Lead(II) BromideRead next8Electrolysis of Dilute Sulfuric AcidRead next9Products at the CathodeRead next10Products at the AnodeRead next11Half Equations for ElectrolysisRead next12Predicting Electrolysis ProductsRead next13Industrial Extraction of AluminiumRead next14Purification of Alumina from BauxiteRead next15Role of Cryolite in Aluminium ExtractionRead next16Replacing Anodes in Aluminium ElectrolysisRead next17Environmental Benefits of Recycling AluminiumRead next18Energy Savings in Aluminium RecyclingRead next19Understanding Inert ElectrodesRead next20Conduction in ElectrolytesRead next21Electrolysis vs Chemical ReductionRead next22Common Uses of Electrolysis in IndustryRead next23Importance of Electrolysis in ChemistryRead next24Examining Electrolysis Safety ConsiderationsRead next25Exam Trap: Incorrect Identification of Electrolysis ProductsRead next26Worked Example: Electrolysis of Sodium ChlorideRead next27Worked Example: Electrolysis of Copper(II) SulfateRead next28Understanding Dynamic Equilibrium in ElectrolysisRead next29Impact of Concentration on Electrolysis OutcomesRead next30Factors Affecting Electrolysis EfficiencyRead next31Exam Trap: Misinterpreting Half EquationsRead next32Using Electrolysis for ElectroplatingRead next33Using Electrolysis in Water PurificationRead next34Exam Trap: Confusing Electrolysis and Redox ReactionsRead next
1Identifying Variables in ExperimentsRead next2Formulating Hypotheses for ExperimentsRead next3Planning Methods for InvestigationsRead next4Conducting Risk AssessmentsRead next5Selecting Suitable EquipmentRead next6Creating Results Tables with HeadingsRead next7Drawing Diagrams of ApparatusRead next8Ensuring Validity and Reliability of DataRead next9Using a Bunsen Burner SafelyRead next10Handling General Glassware CorrectlyRead next11Setting Up Gas Preparation ApparatusRead next12Using Electrolysis EquipmentRead next13Measuring Volumes with Graduated GlasswareRead next14Performing Titrations AccuratelyRead next15Using a Gas Syringe for MeasurementsRead next16Recording Observations During ReactionsRead next17Understanding Accuracy, Reliability, and ValidityRead next18Plotting Graphs with Correct AxesRead next19Identifying and Handling Anomalous ResultsRead next20Drawing Straight Lines or Curves on GraphsRead next21Making Evidence-Based ConclusionsRead next22Analyzing Experimental Data CriticallyRead next23Performing Calculations from Experimental ResultsRead next24Recognizing Direct and Inverse ProportionsRead next25Discussing Reliability of Experimental DataRead next26Defending Hypotheses ScientificallyRead next27Evaluating Experimental LimitationsRead next28Determining Water in Hydrated CrystalsRead next29Investigating Reactions of AcidsRead next30Preparing Soluble SaltsRead next31Testing for Ions in Ionic CompoundsRead next32Investigating Metal ReactivityRead next33Changing Variables to Affect Reaction RatesRead next34Reactions of Carboxylic AcidsRead next35Performing Acid-Base TitrationsRead next36Determining Acid and Alkali ConcentrationsRead next37Preparing and Testing Hydrogen GasRead next38Preparing and Testing Oxygen GasRead next39Preparing and Testing Carbon Dioxide GasRead next40Analyzing Temperature Changes in ReactionsRead next41Using Indicators in ExperimentsRead next42Observing and Recording Precipitation ReactionsRead next43Designing Reliable Experimental ProceduresRead next44Evaluating Risks in Practical ChemistryRead next45Understanding Prescribed Practical AssessmentsRead next46Collaborating in Practical Tasks EffectivelyRead next47Managing Time During Laboratory WorkRead next48Using Scientific Reasoning in DiscussionsRead next49Exploring Practical Chemistry Scenarios in ExamsRead next

Community Lessons

Browse all