The Lab
Expert guides, revision tips, and Chemistry insights to help you ace your exams.
Exam Guides & Tips
A strategic breakdown of the AQA specification, proven revision techniques, key topics to focus on, and exam technique tips to maximise your marks.
The most common pitfalls that cost students marks every year, based on examiner reports and real AQA scripts. Each mistake includes what to do instead.
Every required practical summarised with methods, key variables, exam focus boxes, and tips for answering 6-mark practical questions.
Practical advice for parents on how to support chemistry revision: understanding specifications, planning study schedules, and using budget-friendly resources.
Ofqual has confirmed equation sheets through 2027. Here is how to shift your study strategy from memorising to applying equations, with worked examples.
Master hyperconjugation, the modern explanation for carbocation stability and amine basicity in A-Level and IB Chemistry, and understand why the simple inductive model falls short.
"Chemistry is not about memorizing facts; it’s about understanding the invisible rules of the universe."
Chemistry Explained
A complete guide to balancing chemical equations. Covers the method, 5 worked examples of increasing difficulty, common mistakes, and exam tips for AQA GCSE and IB Chemistry.
Why hydrocarbons produce carbon monoxide and soot in limited oxygen. Balanced equations, a comparison table, three worked examples, and exam tips.
Master moles from mass, concentration, and gas volume. Five worked examples, common mistakes, and a direct link to our free Moles Calculator.
The three types of intermolecular force compared. Boiling point trends, three worked exam examples, and the inter- vs intramolecular trap.
The method, five worked examples from simple to combustion, common mistakes, and a link to our free Balancing Act practice tool.
A complete guide to titration calculations for GCSE and IB. Concordant titres, dilutions, back-titrations, and five worked examples with full exam-style working.
A complete guide to finding empirical and molecular formulas from percentage data. Four worked examples, common exam mistakes, and a direct link to our free Formula Calculator.
A complete guide to understanding the mole, from Avogadro's constant to fully worked calculations. Includes how moles connect to titrations, electrolysis, and more.
Revision Resources
A free iOS mole calculator for GCSE and IB Chemistry. Five calculator modes, interactive formula triangles, step-by-step exam working, and Pro tools for reacting masses and equation balancing.
A free iOS revision app for AQA GCSE and IB Chemistry. Structured notes, active recall flashcards, gamified quizzes, spaced repetition, and a gamification engine to keep you revising.
A detailed look inside the Complete Revision Kit for IB Chemistry: 30 exam-focused PDFs covering all 6 units (Structure & Reactivity) plus a 6-piece Exam Toolkit. See exactly what you get for £1.
A detailed look inside the Complete Revision Kit: 20 exam-focused PDFs covering all 10 AQA topics plus a 10-piece Exam Toolkit. See exactly what you get for £1.