O LevelChemistryCambridge (CIE)Exam Questions

Cambridge (CIE) O Level Chemistry
Exam Questions By Topic

Exam code: 5070

Past paper and exam-style questions organised by topic, with student-friendly answers written by teachers and examiners.

States of Matter
3 hours37 questions
- Solids, Liquids and Gases
  Kinetic Theory, States of Matter, Pressure & Temperature in Gases
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- Diffusion
  Diffusion
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Atoms, Elements & Compounds
12 hours155 questions
- Elements, Compounds & Mixtures
  Elements, Compounds & Mixtures
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- Atomic Structure & the Periodic Table
  Atomic Structure, Electronic Configuration
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- Isotopes
  Isotopes
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- Ions & Ionic Bonds
  Ions & Ionic Bonds, Ionic Bonds & Lattice Structure, Properties of Ionic Compounds
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- Simple Molecules & Covalent Bonds
  Covalent Bonds, Properties of Simple Molecular Compounds
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- Giant Covalent Structures
  Diamond, Graphite & Silicon (IV) Oxide
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- Metallic Bonding
  Metallic Bonding
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Stoichiometry
8 hours94 questions
- Formulae
  Formulae, Empirical Formulae & Formulae of Ionic Compounds, Writing Equations
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- Relative Masses of Atoms & Molecules
  Ar & Mr
- The Mole & the Avogadro Constant
  The Mole, Linking Moles, Mass & Mr, Molar Gas Volume, Calculating Concentration, Reacting Masses, Titration Calculations, Empirical & Molecular Formula, Percentage Yield & Purity
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Electrochemistry
7 hours84 questions
- Electrolysis
  Electrolysis Principles, Electrolysis of Molten Compounds, Electrolysis of Aqueous Sodium Chloride & Dilute Sulfuric Acid, Electrolysis of Aqueous Solutions, Ionic Half Equations, Electroplating
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- Hydrogen Fuel Cells
  Hydrogen Fuel Cells
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Chemical Energetics
4 hours38 questions
- Exothermic & Endothermic Reactions
  Endothermic & Exothermic Reactions, Enthalpy Change & Activation Energy, Bond Breaking & Bond Forming
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Chemical Reactions
20 hours180 questions
- Physical & Chemical Changes
  Physical & Chemical Changes
- Rate of Reaction
  Collision Theory, Explaining Rates Using Collision Theory, Investigating The Rate of a Reaction, Interpreting Data
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- Reversible Reactions & Equilibrium
  Reversible Reactions, Equilibrium, The Haber Process, The Contact Process
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- Redox
  Oxidation & Reduction
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Acids, Bases & Salts
9 hours103 questions
- The Characteristic Properties of Acids & Bases
  Properties of Acids & Bases, The Ions in Acids & Alkalis, Proton Transfer, Strong & Weak Acids
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- Oxides
  Classifying Oxides
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- Preparation of Salts
  Preparing Soluble Salts, Preparing Insoluble Salts, Solubility Rules, Hydrated & Anhydrous Salts
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The Periodic Table
5 hours71 questions
- Arrangement of Elements
  The Periodic Table, Periodic Trends
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- Group I Properties
  Group I Properties
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- Group VII Properties
  Group VII Properties, Group VII Displacement Reactions
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- Transition Elements
  Transition Elements
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- Noble Gases
  Noble Gases
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Metals
12 hours114 questions
- Properties of Metals
  Properties of Metals
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- Uses of Metals
  Uses of Metals
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- Alloys & their Properties
  Alloys
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- Reactivity Series
  Reactivity Series, Explaining Reactivity
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- Corrosion of Metals
  Rusting of Iron, Galvanising & Sacrificial Protection
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- Extraction of Metals
  Extraction of Metals, Extraction of Iron from Hematite, Extraction of Aluminium from Bauxite
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Chemistry of the Environment
6 hours69 questions
- Water & Water Pollution
  Water: Chemical Tests, Substances in Water from Natural Sources, Water Treatment
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- Fertilisers
  Fertilisers
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- Air Quality & Climate
  Air, Effects of Greenhouse Gases, Reducing the Effects of Environmental Issues, Photosynthesis
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Organic Chemistry
18 hours163 questions
- Formulae, Functional Groups & Terminology
  Organic Formulae, Homologous Series, Saturated & Unsaturated Compounds
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- Naming Organic Compounds
  Naming Organic Compounds
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- . Fuels
  Fossil Fuels
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- Alkanes
  Alkanes
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- Alkenes
  Alkenes, Addition Reactions
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- Alcohols
  Alcohols
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- Carboxylic Acids
  Carboxylic Acids, Ethanoic Acid & Esterification Reactions
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- Polymers
  Polymers, Addition & Condensation Polymers, Plastics & Their Disposal, Proteins
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Experimental Techniques & Chemical Analysis
17 hours169 questions
- Experimental Design
  Apparatus for Measurements, Solutions
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- Acid-Base Titrations
  Acid-Base Titrations
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- Chromatography
  Paper Chromatography, Locating Agents & Rf Values
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- Separation & Purification
  Separation & Purification Techniques
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- Identification of Ions & Gases
  Identification of Anions, Identification of Cations, Identification of Gases
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