Read the safety rules
Every lab opens with a short safety briefing. Put on your goggles to begin.
G.C.E. Advanced Level · Chemistry
Every A/L Chemistry practical, on your screen.
Pipette, titrate, heat and test, just like in the school lab. Watch every colour change up close, learn the safety rules, and check your answers in Sinhala, English or Tamil.
22practicals
6units
3languages
Freeno sign-up
How it works
Four steps, like a real practical class
Each practical follows the NIE handbook order. If you do a step in the wrong order, the lab explains why, kindly.
Watch the demo
Nimali, a student guide, shows the whole practical step by step.
Do it yourself
Real apparatus, realistic results and named colour changes. Steps tick off as you go.
Answer the questions
Short exam-style questions with explanations. Your best score is saved on this device.
Practicals
Choose a practical
Open any practical. They work on phones, tablets and computers.
Safety first
The same rules as your school lab
- 🥽Goggles on, alwaysFrom the start to the end of every practical.
- 🌬️Waft, never sniffGently waft a gas towards your nose with your hand.
- 💧Use a pipette fillerNever pipette by mouth.
- 🧯Toxic fumes in the fume cupboardConc. acids, ammonia and NO₂ stay inside the fume cupboard.
For teachers and schools
Ready for the classroom
📘Follows the NIE handbook
Aims, apparatus, procedure and questions follow the G.C.E. (A/L) Chemistry Practical Handbook (2018).
🌐Sinhala, English and Tamil
Switch language at any time. The choice is remembered across all practicals.
📶Light and offline-friendly
Each practical is a single page with no installs or accounts, so it also works on a school projector.