Reactivity trend · Electrolysis · Separation Techniques · Distillation · Identification of species · Titration · Production of salts · Measuring rates of reaction8 notes

Pro

Principles of metal extraction Pro

Extraction by electrolysis Pro

Biological metal extraction Pro

Pro

Half equations Pro

Reduction and oxidation Pro

Extraction of aluminium Pro

Electrolysis of aqueous solutions Pro

Technique of aqueous electrolysis Pro

Fractions and alkanes Pro

Changes of state and intermolecular forces Pro

Empirical formula Pro

Calculating empirical formulae Pro

Bonding in simple molecules Pro

Covalent bonding Pro

Dot and cross diagrams for covalent Pro

3D shapes of simple molecules Pro

Limitations of molecular models Pro

Diagrammatic and numerical translation Pro

Properties of simple molecules Pro

Cracking Pro

Functional groups Pro

Naming organic compounds Pro

Predicting reaction products Pro

Generality of functional group reactions Pro

Natural polymers Pro

Bonding in polymers Pro

Giant covalent structures Pro

Properties of diamond and graphite Pro

Representing chemical structures Pro

Comparison of bonding types Pro

Fullerenes and graphene Pro

Risks of nanoparticles Pro

Scale and definition of nanotechnology Pro

Standard form calculations Pro

Ratios and relative sizes Pro

Surface areas and volumes Pro

Life-cycle assessment principles Pro

Interpreting LCA data Pro

Recycling PET Pro

Factors affecting recycling Pro

Tests for cations and anions Pro

Emission spectroscopy Pro

Advantages of instrumental methods Pro

Interpreting charts Pro

Avogadro constant and the mole Pro

Mass to moles relationship Pro

Stoichiometry and limiting reactants Pro

Calculations from equations Pro

Arithmetic computation Pro

Standard form calculations Pro

Changing subject of equation Pro

Theoretical mass Pro

Percentage yield Pro

Reasons for low yield Pro

Molar gas volume Pro

Neutralisation Pro

Ions in acids and alkalis Pro

Neutralisation reaction Pro

Titration procedure Pro

Titration data quality Pro

Titration calculations Pro

Catalysts Pro

Identifying catalysts Pro

Catalytic action Pro

Determining rate of reaction Pro

Interpreting rate graphs Pro

Reaction conditions vs rate graphs Pro

Calculations for rate Pro

Drawing rate graphs Pro

Gradients and rate Pro

Proportionality Pro

Enzymes Pro

Rate vs equilibrium trade-off Pro

Atom economy definition Pro

Calculating atom economy Pro

Atom economy calculations Pro

Choosing reaction pathways Pro

Industrial production of fertilisers Pro

Comparison with laboratory synthesis Pro

Translating data forms Pro

Unit conversion Pro

Significant figures Pro

Graphical display Pro

Analysing data Pro

Evaluating data quality Pro

Evaluating experimental strategy Pro

Inferences and conclusions Pro

Confidence in hypothesis Pro

Use of models Pro

Decision making contexts Pro

Scientific vs non-scientific questions Pro

Science communication Pro

What’s on Paper 4 (Higher)

Chapter C1 Air and water

C1.1 Atmospheric changes over time

Paper 4 (Higher) past papers

2024 papers

C1.2 Energy changes in reactions

C1.3 Evidence and causes of climate change

C1.4 Potable water supply

Chapter C2 Chemical patterns

C2.1 History of the atomic model

C2.2 The Periodic Table and elements

C2.3 Formation of compounds

C2.4 Chemical equations

C2.5 Transition metal properties

Chapter C3 Chemicals of the natural environment

C3.1 Metallic bonding

C3.2 Metal extraction and reactivity

C3.3 Electrolysis principles

C3.4 Crude oil and hydrocarbons

Chapter C4 Material choices

C4.1 Material selection properties

C4.2 Polymer types

C4.3 Bonding, structure, and properties

C4.4 Nanoparticles

C4.5 End-of-life product management

Chapter C5 Chemical analysis

C5.1 Separation and purity

C5.2 Composition analysis

C5.3 Stoichiometry calculations

C5.4 Solution measurements

Chapter C6 Making useful chemicals

C6.1 Useful acid products

C6.2 Reaction rate control

C6.3 Reaction yield factors

C6.4 Industrial chemical synthesis

Chapter C7 Ideas about Science

IaS1 Scientific investigation planning

IaS2 Data interpretation and conclusions

IaS3 Development of scientific theory

IaS4 Impact of science and technology

Chapter C8 Practical skills

PAG1 Reactivity trend

PAG2 Electrolysis

PAG3 Separation Techniques

PAG4 Distillation

PAG5 Identification of species

PAG6 Titration

PAG7 Production of salts

PAG8 Measuring rates of reaction

2023 papers

2022 papers

2021 papers

2020 papers

2019 papers

2018 papers