Question Sets
Untimed practice sets. Take one here, or find them embedded right inside a course's concepts.
Choose a topic to see its subtopics.
35 sets
High School (11–12)Periodic TrendsGroups and Families
Ten questions on the trends across periods and down groups. Untimed.
10 questions
High School (11–12)Development of the Periodic TableGroups and Families
Ten questions on the history of the table, its laws and its blocks. Untimed.
10 questions
High School (11–12)Stoichiometry and ConcentrationThe Mole Concept
Ten questions on formulas, reacting amounts and concentration. Untimed.
10 questions
High School (11–12)The Mole Concept
Ten questions on the laws of chemical combination, atomic masses and the mole. Untimed.
10 questions
High School (11–12)Measurement, Units and Significant Figures
Ten questions on matter, SI units, significant figures and unit conversion. Untimed.
10 questions
High School (11–12)Electronic Configuration and ValencyQuantum Mechanical Model of the Atom
Ten questions on matter waves, quantum numbers, nodes, the filling order and unpaired electrons. One asks you to choose a picture of orbital boxes. Every answer has a worked solution that names the usual slip.
10 questions
High School (11–12)Light, Atomic Spectra and the Bohr Model
Ten questions on waves, photons, the photoelectric effect, the hydrogen spectrum and Bohr's model. One asks you to choose a graph. Every answer has a worked solution that names the usual slip.
10 questions
High School (11–12)Isotopes and IsobarsSubatomic Particles and Atomic Models
Ten questions on the electron, proton and neutron, Rutherford's nucleus and its size, isotopes and the average atomic mass. One asks you to choose a mass spectrum. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralGroups and Families
Ten questions on the alkali metals, the halogens, the noble gases and predictions. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralPeriodic Trends
Ten questions on valency, atomic size, metallic character and the oxides across a period. One asks you to choose a picture of atomic sizes. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralDevelopment of the Periodic Table
Ten questions on Dobereiner, Newlands, Mendeleev and the modern table. One asks you to choose a picture of an element's place in the table. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralReactions and Uses of Carbon Compounds
Ten questions on burning, addition and substitution, ethanol, ethanoic acid and esters. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralHydrocarbons and Nomenclature
Ten questions on alkanes, alkenes and alkynes, their formulas, isomers and homologous series. One asks you to choose a picture of a carbon skeleton. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralCovalent Bonding and Allotropes
Ten questions on shared pairs, single, double and triple bonds, covalent compounds, catenation and graphite. One asks you to choose a picture of a bond. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralIonic Compounds and Extraction of Metals
Ten questions on ions, ionic compounds, ores, calcination and roasting, refining and a mass from electrolysis. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralReactions and the Reactivity Series
Ten questions on metals with water, acids and salt solutions, amphoteric oxides and nitric acid. One asks you to choose a picture of a test tube. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralProperties of Metals and Non-metals
Ten questions on the properties of metals and non-metals, the exceptions, metalloids and density. One asks you to choose a picture of a property. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralpH and Neutralisation
Ten questions on the pH scale, pH in the body, stings, soil and rain, and a neutralisation volume. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralSalts and Their Uses
Ten questions on families of salts and their pH, the chlor-alkali process, bleaching powder, baking soda, washing soda and plaster of Paris. One asks you to choose a picture. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralAcids and Bases
Ten questions on indicators, the reactions of acids and bases, oxides, hydrogen ions and safe dilution. One asks you to choose a picture of litmus paper. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralChemical EquationsEnergy Changes and Corrosion
Ten questions on exothermic and endothermic changes, heat, rusting, rancidity and masses from equations. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralTypes of Chemical Reactions
Ten questions on combination, decomposition, displacement and double displacement, oxidation and reduction. One asks you to choose a picture of a reaction type. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralChemical Equations
Ten questions on the signs of a reaction, state symbols, counting atoms and balancing equations. One asks you to choose a picture of a balanced equation. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralIsotopes and Isobars
Ten questions on isotopes and isobars, average atomic mass, carbon dating and the uses of isotopes. Every answer has a worked solution that names the usual slip.
10 questions
High School (9–10)GeneralElectronic Configuration and Valency
Ten questions on filling the shells, valence electrons and valency, and atomic and mass numbers. One asks you to choose a picture of an atom. Every answer has a worked solution that names the usual slip.
10 questions