The photographs below show the results using this pH indicator (pH 6 = Yellow / pH7.6 = Blue). Alternatively, you can use phenolphthalein pH indicator for a more dramatic result.

Sulfuric acid (100 cm 3) Phenolphthalein indicator 25.0 cm 3 pipette and filler 50.0 cm 3 burette, retort stand and burette clamp Small funnel 250 cm 3 conical flask (x3) Distilled water White tile ...