You memorised it, but the question is worded differently
The definition is word perfect and the marks still do not come, because the paper never asks for the definition. It asks you to use it on something you have not seen before.
Now taking students for Grade 12 and Grade 13
Trincomalee town, live on Zoom, and seminars island wide.

Chemistry that finally makes sense.
Individual and group classes for A/L Chemistry in Trincomalee town, live on Zoom, and seminars island wide.
24 yrs
Teaching A/L Chemistry
The tutor
I've been teaching A/L Chemistry since 2001, twenty four years now. B.Sc (Hons) Special in Chemistry, PGDE. Around 5000 students have come through these classes, and about nine in ten of them pass their A/L.
I don't believe in memorising. I want you to look at a molecule and know why it behaves the way it does. Classes run in person here in Trincomalee, live on Zoom, and as seminars for student groups around the island.
Where it goes wrong
Almost every student who struggles with A/L Chemistry is already working hard. The problem is usually one of these four, and none of them is fixed by studying longer.
The definition is word perfect and the marks still do not come, because the paper never asks for the definition. It asks you to use it on something you have not seen before.
Mechanisms become shapes to copy off the board, with no sense of why the electrons move that way.
You follow every word of the lesson, then freeze on a mole ratio or an equilibrium calculation.
You know the content well enough, but the structured essays are still unfinished when the paper is collected. Speed comes from having solved the same shape of problem before, not from writing faster.
The method
The same loop runs from the first lesson to the last paper. Nothing about it changes when the exam gets close, because by then it is already habit.
Every unit starts with the idea behind it. Why does an orbital fill the way it does? Why does a reaction go one way and not the other? The equations only come after the idea makes sense.
Problems are solved live, in full, mistakes and all. Students see how a chemist actually thinks through a question, not just the clean final answer.
Each lesson comes with a graded problem set. Past paper questions start from day one, not saved for the final months.
Tests are marked against the real scheme. Every student gets a personal mark sheet showing exactly which units still need work.
Weekly
Exam and correction
90%
Pass rate at A/L
Classes
In person in Trincomalee town, live on Zoom, and as seminars island wide. Get in touch for fees and current availability.
The full syllabus taught in person, one on one or in a small batch. An individual class moves entirely at your pace, a group class gives you the back and forth of a real classroom.
A 30 minute paper every week, then a full hour of correction and discussion. What is not sticking gets caught and explained the same day, not months later.
Revision seminars run for schools and student groups anywhere in the island, concentrated on the units that decide grades.
The same syllabus and the same teaching, live on Zoom, for students who cannot get to Trincomalee town for a class in person.
Inside the class
Not a stock photo of a laboratory. These are the rooms, the boards and the students the classes actually run with.
Syllabus coverage
Mapped to the current national A/L Chemistry syllabus
Results
0%
Pass rate at A/L
0
Years teaching A/L Chemistry
0+
Students taught since 2001
0
Students in a batch
Questions
No. Grade 12 students start from the O/L level and build up from there. Grade 13 students joining partway through are brought up to speed alongside the rest of the class.
Get in touch
Sir Nirmal answers most questions personally, usually the same day. Reach out on WhatsApp, by phone, or by email.
