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
SyllabusIGCSE
5 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~55 min
Double-indicator titration: phosphoric acid against sodium hydroxide
Catch both end-points of a triprotic acid in one run — red to orange, yellow to green.
IGCSEA-Level
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
Chemistry~45 min
Thermal decomposition: water of crystallisation in hydrated zinc sulfate
Heat a hydrated salt to constant mass and calculate its water of crystallisation.
A-LevelIGCSE