THE LIBRARY

Every experiment. Read it, or run it.

Full protocols with apparatus lists, safety notes, and the results you should expect — plus a live simulator on the same page, so reading and doing are one trip, not two.

SubjectChemistry
SyllabusCBC
Clear filtersThe titration bench is free — everything else needs an account

3 of 19 experiments

Chemistry~60 min

Titration: ethanoic acid vs sodium hydroxide

Open the tap drop by drop, chase the pink endpoint, and calculate the concentration.

IGCSEA-LevelCBC
Chemistry~40 min

Flame tests: identifying metal ions

Clean the loop, burn the salts, and name two unknowns from their flame colours.

IGCSECBC
Chemistry~50 min

Qualitative analysis: identifying the ions in two unknown solids

Run the full test series on two unknown solids and name every ion from the evidence.

IGCSECBC