WAEC Weekly Exam Outline – Chemistry

Chemistry — 30-Week Plan (Alt-to-Practical mastery)

Weekly outline built from the WAEC syllabus (last 5–10 years emphasis). Practice can be done offline; Mock is timed online (2 attempts).

Total practice: 420 • Total mock: 630

My WAEC Dashboard Buy WAEC Practice WAEC Subject Outlines

Week 1–4 (October: Basics & Calculations I)

60 Practice Questions, 60 Mock Questions

  • Week 1: Nature of matter; physical/chemical changes; separation methods.
  • Week 2: Atomic structure; isotopes; electronic configuration; orbitals (s, p, d) basics.
  • Week 3: Periodic table trends; bonding (ionic, covalent, metallic; intermolecular: H-bond/van der Waals).
  • Week 4: Molar concepts — relative masses, mole, Avogadro; empirical/molecular formulae.

Week 5–8 (November: Calculations II & States of Matter)

60 Practice Questions, 70 Mock Questions

  • Week 5: Stoichiometry; limiting reagent; percentage yield/purity.
  • Week 6: Gas laws (Boyle, Charles, Combined, Ideal); kinetic theory; molar volume.
  • Week 7: Solutions & concentrations (mol/dm³); titration theory; standardization ideas.
  • Week 8: Energetics — exo/endo; ΔH from data; simple Hess cycles; bond energies (qual.).

Week 9–12 (December: Chemical Reactions, Equilibrium & Redox)

60 Practice Questions, 80 Mock Questions

  • Week 9: Rates — collision theory; factors; energy profile diagrams.
  • Week 10: Chemical equilibrium — law of mass action; Le Chatelier; Kc (calculations) and Kp (qualitative).
  • Week 11: Redox — oxidation states; balancing redox (acidic medium); electrolytic vs galvanic ideas.
  • Week 12: Electrochemistry — cells, E° trends (qualitative), corrosion/prevention; simple cell calculations (NG light, GH more).

Week 13–16 (January: Acids, Bases & Salts; Qualitative + Solubility/Buffers)

60 Practice Questions, 90 Mock Questions

  • Week 13: Acid/base theories; strong vs weak; pH scale; indicators; neutralization.
  • Week 14: Salts — preparation & properties; hydrolysis; buffers (weak acid/base + salts) and Henderson–Hasselbalch (intro).
  • Week 15: Solubility & precipitation — solubility curves; Ksp & common-ion effect (intro, GH deeper).
  • Week 16: Titration calculations (acid–base, redox); qualitative analysis (cations/anions/gases) pitfalls.

Week 17–20 (February: Inorganic & Organic Essentials)

60 Practice Questions, 100 Mock Questions

  • Week 17: Periodicity applications; Groups I/II/VII; transition elements overview and typical reactions.
  • Week 18: Organic foundations — homologous series, isomerism, IUPAC; hybridization (sp, sp², sp³) and σ/π bonds (qual.).
  • Week 19: Alkanes/alkenes/alkynes — properties, reactions; tests (Br₂/CCl₄). Benzene (intro, GH emphasis).
  • Week 20: Alcohols, carboxylic acids, esters — preparation/properties/uses; crude oil fractions & related processes (cracking, reforming).

Week 21–24 (March: Practicals & Data Handling)

60 Practice Questions, 110 Mock Questions

  • Week 21: Volumetric analysis (burette/pipette skills), curve sketching from titration; error & uncertainty.
  • Week 22: Qualitative analysis unknowns; inference tables; precise observation language.
  • Week 23: Calculations mega-drill (mixed stoichiometry/gases/titration/equilibrium).
  • Week 24: Full WAEC-style mock including Practical/Alt-to-Practical (renderer adds GH/NG specific note).
  • Nigeria/others: Alternative-to-Practical — data tables/graphs, variables/controls, inference.

Week 25–27 (April: Integration, Biochemistry & Past Trends)

60 Practice Questions, 120 Mock Questions

  • Week 25: Multi-topic synoptic problems; distractor analysis.
  • Week 26: Biochemistry & polymers — proteins, carbohydrates, fats/oils; soaps/detergents; synthetic polymers.
  • Week 27: Redox + Electrochem focus (frequent WAEC angles); industrial chemistry (cement, fertilizers).

Week 28–30 (April: Grand Final Mocks)

WAEC Exam Format (Paper 1 + Paper 2 + Paper 3/Alt-to-Practical)

  • Week 28: Grand Final Mock 1.
  • Week 29: Grand Final Mock 2.
  • Week 30: Grand Final Mock 3 (hardest; time-pressured).