IGCSE Chemistry Revision for the October/November 2026 Exams
Chemistry Paper 4 lands first this series — Monday 12 October. Seven weeks is enough to fix the mole calculations, the ion tests and the Paper 6 technique that cost marks in June, with 60 recorded lessons, mark-scheme notes and solved Papers 2, 4 & 6.
$150 $250 One payment · the complete course, organised as a revision plan · access through June 2027

Cambridge IGCSE October/November 2026 timetable — note that in Chemistry the theory paper comes before the practical paper.
Where IGCSE Chemistry marks actually go missing
From marking hundreds of Paper 4 and Paper 6 scripts — the same five leaks every session, and what the plan below does about each one.
Moles ↔ mass ↔ volume ↔ concentration. Students know the formulae but lose the 3-mark chain on the second step.
Week 2 — every calculation type drilled, then re-drilled in Week 7Which ion goes where, the half-equations, and "explain" questions answered with a description instead of a reason.
Week 3 — electrode rules as a one-page map + half-equation practiceMixing up alkanes/alkenes, forgetting the functional-group test, drawing displayed formulae wrongly.
Week 5 — homologous series table, reactions in one sheetPaper 6 gives these marks away — only if the table is memorised word-for-word.
Week 6 — flashcards + the full table tested every dayReading burettes, writing "to make it a fair test" instead of naming the variable, graph lines of best fit.
Weeks 6–7 — three timed Paper 6s marked like an examiner"State", "describe", "explain", "suggest" each pay differently. Write the wrong type and the mark is gone.
Built into every model answer in the solved papersSeven weeks to Paper 4: the week-by-week Chemistry plan
All twelve 0620 topics in six weeks, then a full week of timed papers. Each week maps to lessons, notes pages and solved-paper questions inside the course.
- States of matter, diffusion
- Atomic structure, isotopes
- Ionic, covalent, metallic bonding
- Giant structures: diamond, graphite, silica
- Relative masses, moles, molar gas volume
- Empirical & molecular formulae
- Concentration, titration calculations
- Percentage yield & purity
- Exo/endothermic, bond energies
- Rate of reaction & collision theory
- Reversible reactions, Le Chatelier
- Redox & electrolysis (incl. extended)
- Acids, bases, salts, preparation methods
- Group I, VII, transition elements
- Reactivity series, extraction of metals
- Corrosion & alloys
- Water, air, greenhouse gases
- Alkanes, alkenes, alcohols, carboxylic acids
- Naming, isomers, polymers
- Fuels & cracking
- Tests for ions & gases (learn the table)
- Separation techniques, chromatography
- Titration method, volume readings
- First timed Paper 6
- Two timed Paper 4s, one timed Paper 6
- Every calculation re-done until fluent
- Compare each answer with the model answer
- Send weak questions on WhatsApp
- Flashcards, ion tests, equations only
- Mon 12 Oct — Paper 4
- Thu 15 Oct — Paper 6
- Then MCQ quizzes daily until Paper 2 on 12 Nov
Retaking Chemistry after June — or sitting it for the first time in November?
Same syllabus, same papers, same grade descriptors as June. The only thing that changes is how you revise.
If June's Chemistry grade wasn't yours…
- You understood the chemistry but lost marks on calculations, equations and "explain" questions
- Paper 6 felt unpredictable — apparatus, readings, variables, conclusions
- You revised from the textbook and the bare mark scheme, never from model answers
- You need a day-by-day structure for the next seven weeks, not another pile of notes
If this is your first Chemistry sitting…
- Your school rushed or skipped topics (organic and electrolysis are the usual victims)
- You're a private or home-schooled candidate and want a teacher who answers on WhatsApp
- You want the 2026–2028 syllabus taught the way Paper 4 asks it
- You want the past papers solved step by step — not just the answer line
Three facts for November Chemistry retakers
Results for the Oct/Nov 2026 series are published on 14 January 2027 — in time for most sixth-form and university deadlines.
Try one Chemistry topic the way the course teaches it
One full recorded lesson, its notes, the quiz and a Paper 4 question solved for the marks — free, no card.
Watch a Free Chemistry LessonYour Chemistry revision kit
The complete IGCSE Chemistry course — the same materials June's top scorers used — organised for a seven-week run.
Chemistry results, six Junes in a row — and rising
Share of Mr. Hosni's IGCSE Chemistry students scoring A or A* in the June session, 2021–2026. June 2026 results released 18 August 2026.
Your Chemistry teacher for the next seven weeks
What Chemistry students say
12 written reviews, rolling automatically — pause, hold a card to read, or swipe. WhatsApp screenshots follow.
"He explains very clearly in a fun way. I also liked that the notes are updated to match the latest syllabus. These helped me score a 9 in IGCSE Chemistry."
"Topical solved past papers made me able to write answers in chemistry. I used to miss a lot of keywords — I climbed from an E to a B."
"The topical organisation helped my son focus on the chapters he found difficult, while the full papers gave him realistic exam practice afterwards."
"The best part was solving while watching the video. Instead of just checking if I was right or wrong, I understood the working and saved a lot of revision time."
"The mark scheme always felt too short for me. These answers explained what I should actually write, and the videos made the exam technique much easier to follow."
"I used to waste so much time scrolling through mark schemes and still not understand the answer. The videos helped me solve along with the teacher and finally see why each mark was given."
"I have scored a full grade in each exam. Your teaching and resources were the main reasons."
"My answers were featured in the examiner's report."
"Selecting your online courses was the best decision I've made."
"The teacher was organised, he stuck to the timings and he provided us with feedback continuously."
"Weekly lessons were consistent and engaging. The teacher was very supportive in the class and whenever I asked on WhatsApp."
"I joined the revision classes quite late, but I did manage to score a B. Mr Hosni provided us with clear instructions on how to solve problems efficiently, and most of the predicted questions came in the exam."
Results day, in their messages
WhatsApp messages from Chem Bio Chemistry students and parents — tap any message to enlarge.










Open the Chemistry notes and solved papers
Real pages. Paper 4 is first on 12 October — see how a 4-mark calculation and a 6-mark "explain" are written for full marks.
Chemistry Notes 2026–2028
Every definition, equation and test in mark-scheme words
📖 Tap to open
Paper 4 Solved Past Papers
Calculations and explanations, step by step
📖 Tap to open
Paper 6 Solved Past Papers
Alternative to Practical, solved for the marks
📖 Tap to open
About this Chemistry revision page
IGCSE Chemistry Revision for the October/November 2026 Exams is Chem Bio's complete pre-recorded Cambridge IGCSE Chemistry course (0620 & 0971, 2026–2028 syllabus) arranged as a seven-week plan ending at Paper 4 on 12 October 2026, with Paper 6 on 15 October and Paper 2 on 12 November: 60 video lessons, a notes eBook in mark-scheme language, Paper 2 MCQ quizzes, solved Paper 4 and Paper 6 past papers, flashcards for ion and gas tests, and direct WhatsApp support from Mr. Hosni. It is built for students retaking Chemistry after the June 2026 results and for first-time November candidates. Access is instant and lasts two years, covering a June 2027 sitting if needed.
Chemistry in November — the questions we get asked
How much maths is there in IGCSE Chemistry Paper 4, and can I fix it in seven weeks?
Typically 15–25% of Paper 4 is calculation: moles, concentration, gas volumes, percentage yield, energy changes, rates from graphs. Seven weeks is plenty if you practise daily — Week 2 teaches every type and Week 7 re-drills them in timed papers. Most students find it is the method , not the maths, that was missing.
Do I really have to memorise the tests for ions and gases?
Yes — word for word, including the observations. They appear in Paper 4 and especially Paper 6 almost every session and are the cheapest marks on the paper. The course gives you the full table as flashcards and tests it every day from Week 6.
Is the October/November Chemistry paper harder than June?
No. Same syllabus, same structure, same grade descriptors. Thresholds move a few marks each session because the cohort is different — not because the paper is set harder. Prepare exactly as for June.
I'm retaking after June 2026 — is anything different in November?
Nothing in the content: both sessions examine the Cambridge 2026–2028 syllabus (0620 / 0971, identical content, different grading scale). Entry for a retake closes on 21 September 2026. What changes is your technique — the course teaches you to write what the mark scheme rewards.
What if I end up sitting in June 2027 instead?
Your access lasts two years from purchase, so the same course — and the same WhatsApp support — carries you into June 2027 at no extra cost.
Unsure whether to retake Chemistry in November?
Send Mr. Hosni your June grade, your paper marks and your target — you'll get an honest, personal recommendation within the day.
Paper 4 is on 12 October. Week 1 starts tonight.
The complete IGCSE Chemistry system — lessons, mark-scheme notes, MCQ quizzes, solved Papers 4 & 6 and WhatsApp support — mapped to the Oct/Nov 2026 timetable.
$150 $250 One payment · instant access · valid through June 2027

IGCSE Biology & Chemistry Complete Package (2026–2028)
Both complete courses — Chemistry and Biology — each with the recorded lessons, mark-scheme notes, quizzes, solved Papers 2, 4 & 6 and WhatsApp support, ready for the same Oct/Nov 2026 series.
$300 $250 One payment · 2 years of access to both subjects
- Complete Biology & Chemistry video lessons
- Notes eBooks, quizzes and solved past papers for both subjects
- Clear mark-scheme techniques and model answers
- Direct WhatsApp support across both courses

See the Biology Oct/Nov 2026 revision plan.
