WASSCE 2027

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🧪 CHEMISTRY GUIDE – 2026 PRIVATE WASSCE (SECOND SERIES, GHANA) by EVANS SCHOOL ACADEMY 📘 STRUCTURE OF WASSCE CHEMISTRY 📝 Paper 1 – Objective 50 multiple-choice questions Covers all areas of Chemistry Calculations, definitions, trends, practical knowledge ✍🏽 Paper 2 – Theory Section A: Short structured questions Section B: Essay and numerical questions Answer required number of questions 📌 WAEC marks based on steps, units, explanations and chemical equations. 🔬 Paper 3 – Practical / Alternative to Practical (Private candidates write Alternative to Practical) Tests: Qualitative analysis Quantitative analysis Chemical tests Observations & inferences Safety and apparatus knowledge 📚 A. GENERAL CHEMISTRY (FOUNDATION TOPICS) 1️⃣ Introduction to Chemistry Definition and scope of chemistry Branches of chemistry Importance of chemistry in everyday life 📌 Often tested in objectives. 2️⃣ Matter States of matter Kinetic theory Changes of state Diffusion and Brownian motion 3️⃣ Atomic Structure Sub-atomic particles Atomic number & mass number Isotopes and uses Electron configuration ⚠️ Very common in objectives and theory. 4️⃣ Periodic Table Periods and groups Periodic trends: Atomic size Ionization energy Electronegativity Properties of Group I, VII, VIII 📌 WAEC loves comparison questions. 5️⃣ Chemical Bonding Ionic bonding Covalent bonding Metallic bonding Properties of compounds 📚 B. STOICHIOMETRY & CALCULATIONS (HIGHLY SCORING) 6️⃣ Mole Concept Mole, Avogadro’s number Molar mass Empirical & molecular formula 7️⃣ Chemical Equations Writing & balancing equations Stoichiometric calculations Percentage yield 📌 Show all steps — WAEC gives marks per step. 8️⃣ Acids, Bases & Salts Definitions (Arrhenius, Brønsted) Properties Preparation of salts Uses of acids and bases 📚 C. PHYSICAL CHEMISTRY 9️⃣ Energy Changes Exothermic & endothermic reactions Energy level diagrams Enthalpy changes 🔟 Rates of Reaction Factors affecting rate: Temperature Concentration Catalyst Surface area Simple experiments 1️⃣1️⃣ Chemical Equilibrium Reversible reactions Le Chatelier’s principle Industrial examples (Haber process) 1️⃣2️⃣ Electrochemistry Electrolysis Electrodes Faraday’s laws Uses of electrolysis ⚠️ Very popular theory topic. 📚 D. INORGANIC CHEMISTRY 1️⃣3️⃣ Metals Properties of metals Extraction of metals Corrosion and prevention Alloys and uses 1️⃣4️⃣ Non-Metals Properties Uses Comparisons with metals 1️⃣5️⃣ Air & Water Composition of air Air pollution Water treatment Hardness of water 1️⃣6️⃣ Sulphur & Nitrogen Properties Compounds Industrial uses Environmental effects 📚 E. ORGANIC CHEMISTRY (VERY IMPORTANT) 1️⃣7️⃣ Introduction to Organic Chemistry Alkanes Alkenes Alkynes Homologous series 1️⃣8️⃣ Petroleum Fractional distillation Uses of fractions Petrochemicals 1️⃣9️⃣ Alcohols & Carboxylic Acids Preparation Properties Uses Tests 2️⃣0️⃣ Polymers Natural polymers Synthetic polymers Uses and environmental problems 🔬 F. PRACTICAL & ALTERNATIVE TO PRACTICAL 2️⃣1️⃣ Qualitative Analysis Tests for: Cations (Na⁺, Ca²⁺, Cu²⁺, Fe²⁺/Fe³⁺) Anions (CO₃²⁻, SO₄²⁻, Cl⁻, NO₃⁻) 📌 Observation + inference must match. 2️⃣2️⃣ Quantitative Analysis Titration procedures Calculations Indicators Safety rules 2️⃣3️⃣ Laboratory Safety Hazard symbols Safe handling of chemicals First aid in the lab 🧠 HOW WAEC MARKS CHEMISTRY ✅ Correct chemical equations = marks ✅ Logical steps in calculations = marks ✅ Units = marks ✅ Correct observations = marks ❌ No working = lost marks 🗂 LAST-MINUTE REVISION CHECKLIST ✔ Periodic table trends ✔ Mole & stoichiometry ✔ Acids, bases & salts ✔ Electrolysis ✔ Organic reactions ✔ Qualitative tests ✔ Titration calculations Follow the PRIVATE WASSCE | WAEC GCE ( NOV-DEC ) |NECO channel on WhatsApp: https://whatsapp.com/channel/0029ValweZRJ3juroIyhAa2h https://t.me/HOUSE_OF_GENUINE

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