Scotland · SQAQ&A
ChemistryQ&A by dot point
A short Q&A bank for every Scotland Chemistry syllabus dot point. Each question and answer is drawn directly from our worked dot-point page, so you can scan key concepts before opening the long-form answer.
Area 1: Chemical Changes and Structure
- Acids and bases: the pH scale and the effect of dilution, forming acids and alkalis from oxides, neutralisation and naming salts, spectator ions, and titration calculations.3Q&A pairs
- Atomic structure: protons, neutrons and electrons; atomic number and mass number; electron arrangement of the first 20 elements; isotopes and relative atomic mass.3Q&A pairs
- Bonding and properties: covalent bonding (molecular and network), ionic bonding, and how each structure explains melting point, conductivity and solubility.3Q&A pairs
- Overview of Area 1 Chemical Changes and Structure: how rates of reaction, atomic structure, bonding and properties, formulae and reacting quantities, and acids and bases connect.2Q&A pairs
- Formulae and reacting quantities: chemical formulae using valency and the data booklet, balanced equations with state symbols, the mole and gram formula mass, and concentration of solutions.3Q&A pairs
- Rates of reaction: following the course of a reaction, calculating average rate, and explaining the effects of concentration, particle size, temperature and catalysts using the idea of collisions.3Q&A pairs
Area 3: Chemistry in Society
- Chemical analysis: general practical techniques, gas tests and flame tests, paper chromatography, and the use of analysis to monitor the environment.3Q&A pairs
- Overview of Area 3 Chemistry in Society: how metals, electrochemical cells, metal extraction, plastics, fertilisers, nuclear chemistry and chemical analysis connect.2Q&A pairs
- Electrochemical cells: how two different metals in an electrolyte produce a voltage, the role of the ion bridge, and using the electrochemical series to predict the direction of electron flow.3Q&A pairs
- Fertilisers: the essential elements nitrogen, phosphorus and potassium, the Haber process for ammonia, the Ostwald process for nitric acid, nitrogen fixation, and environmental problems such as eutrophication.3Q&A pairs
- Extraction of metals: ores, how the method of extraction depends on the reactivity series, reduction by heat, reduction by carbon or carbon monoxide, and electrolysis for very reactive metals.3Q&A pairs
- Metals: properties and uses, the reactivity series, reactions with oxygen, water and acids, displacement reactions, and oxidation and reduction with ion-electron equations.3Q&A pairs
- Nuclear chemistry: alpha, beta and gamma radiation and their properties, radioactive decay as a random process, half-life and half-life calculations, and the uses and dangers of radiation.3Q&A pairs
- Plastics: synthetic materials made by addition polymerisation, monomers and polymers, the repeating unit, uses of common plastics, and the problems of disposal.3Q&A pairs
Area 2: Nature's Chemistry
- Alcohols: the hydroxyl functional group, naming the straight-chain alcohols, their properties and their uses as solvents and fuels.3Q&A pairs
- Carboxylic acids: the carboxyl functional group, naming the straight-chain acids, their reactions with bases to form salts and water, and everyday examples such as vinegar.3Q&A pairs
- Energy from fuels: fossil fuels as finite resources, complete and incomplete combustion, exothermic reactions, and calculating the energy released using Eh equals cmDeltaT.3Q&A pairs
- Homologous series: alkanes, cycloalkanes and alkenes, their general formulae and naming, saturated and unsaturated molecules, isomers, addition reactions and the bromine test for unsaturation.3Q&A pairs
- Overview of Area 2 Nature's Chemistry: how the homologous series, alcohols, carboxylic acids and energy from fuels connect through functional groups and combustion.2Q&A pairs
Skills of Scientific Inquiry and the Assignment
- Skills of scientific inquiry: planning and variables, presenting data in tables and graphs, processing calculations, drawing conclusions, and evaluating reliability.3Q&A pairs
- The assignment: the controlled-conditions report worth 20 marks, its sections from aim to evaluation, and how marks are awarded for data, analysis and conclusions.4Q&A pairs