Cambridge O-Level & IGCSE Chemistry
Chemistry made clearer.
Short teacher-led lessons, structured notes and guided exam practice, organised chapter by chapter.
Why Chemistry feels hard
You are not lazy. Chemistry is genuinely hard to revise alone.
01
You don't know where to start
Too many chapters, too many notes and no clear order to revise them in.
02
You jump into past papers too early
Practising exam questions before the underlying logic is in place makes Chemistry feel harder than it is.
03
You avoid the difficult topics
The mole concept, electrolysis and organic Chemistry get left until it feels too late.
See how a chapter works
One chapter, five clear steps.
Every Learning Catalyst chapter runs through the same rhythm — so you always know what to do next. Here is Electrolysis.
Chapter 4 · Electrolysis
Watch the lesson
Electrolysis of molten lead(II) bromide · 6 min
The chapter library
A calm, structured shelf of Cambridge Chemistry.
Every chapter is broken into short lessons, structured notes and exam-style practice. Select a spine to see what's inside.
Foundations
Core
Applied & Organic
Core · Chapter 4
Electrolysis
8 sub-topics · In Crash Course
Foundations
2 chaptersCore
5 chaptersApplied & Organic
3 chaptersFree · Available now
Free Chemistry Revision Starter Pack.
A practical revision toolkit for Cambridge O-Level Chemistry students who want a clearer place to begin. Sent to your inbox.
Delivered by email. No payment required.
- Chemistry revision tips
- Chapter checklist
- Study planning template
- Exam command word guide
- Common mistakes to avoid
- Free practice worksheet
Your teacher · Mauritius
Guidance grounded in the classroom.
Learning Catalyst is created by Kheshini Sonatun, a Chemistry educator who believes students learn best through simple explanations, guided practice and a clear way to revise.
- years of secondary teaching experience
- 12years of secondary teaching experience
- years as a part-time lecturer
- 7years as a part-time lecturer
Real confidence comes from clarity. Students are supported to improve steadily — not rushed into promises that do not serve them.
Early access · Upcoming enrolment
The 2-Week Chemistry Crash Course.
A focused two-week revision experience with clear explanations, exam direction and structured practice. Join early access to be first when enrolment opens.
Guided video explanations
Teacher-led walkthroughs that make difficult ideas feel manageable.
Concise notes
Structured summaries you can actually revise from.
Try-it-yourself questions
Guided practice that builds your confidence one step at a time.
Step-by-step corrections
Worked answers that show exactly where thinking went wrong.
Exam-style practice
Realistic questions to turn understanding into O-Level marks.
A clear 2-week revision plan
A focused rhythm so you know what to do each day.
Learn Chemistry anytime, anywhere
Your Chemistry lessons, wherever you are.
Learning Catalyst is built for how you actually live. Study at home, on the bus or between classes. Everything works on your phone, tablet or laptop.
On your phone
Short focused lessons that fit around your day.
On your terms
Pause, rewind and revisit topics as often as you need.
Offline-friendly notes
Download revision resources so you can study without wifi.
Be the first to access free resources
Join the list.
Share a few details so Learning Catalyst can send you the free Revision Starter Pack and Crash Course early-access updates.
The Starter Pack is available now. Crash Course enrolment opens to the early-access list first.
Step 1 · Free Starter Pack
Join the list.
Share a few details so Learning Catalyst can send you the free Revision Starter Pack and Crash Course early-access updates.
Frequently asked questions
Before you join the list.
What is inside the free Revision Starter Pack?
Chemistry revision tips, a chapter checklist, a study planning template, an exam command word guide, common mistakes to avoid and a free practice worksheet.
Is the Starter Pack the full course?
No. The Starter Pack is a free revision toolkit. The 2-week Chemistry Crash Course opens to the early-access list first.
Who is Learning Catalyst for?
Cambridge O-Level and IGCSE Chemistry students in Mauritius who want to revise with more structure, direction and confidence.
Can my parents follow my progress?
Yes. The Starter Pack is designed so parents can see the structure and support your revision without adding pressure.
How will I receive it?
You will receive it by email, with updates also posted on Learning Catalyst's TikTok and Instagram.