Neutralisation and salt production
Acid:
Base in the tube
—
choose a base to add
What you observed
—pH
—temp °C
—gas
?salt made
Results

Salts made

Timer
0.0
Ready — add the base to begin
Accessibility — Adapt
Theme
Dark navy theme
Colour overlay (Irlen)
Off
Display
Reading ruler
Wider spacing (dyslexia)
Text size
100%
High contrast
Classroom / projector mode
Shape-coded rack labelsAdds a symbol to each tube label as well as its colour, so the bases can be told apart without relying on colour.
Naming the salt
Skip the naming questionThe salt is named for you. Use when the focus is the reaction types, not the nomenclature.
Show the formulaAdds the chemical formula beside each choice, for example MgCl2, as well as the name.
Procedure
No dragging — buttons onlyEvery drag becomes one button press. Perfect technique assumed.
Sound
Fizzing soundPlays while a carbonate gives off carbon dioxide. Turn off for a silent classroom or if sound is distracting.
Motion
Reduce motion
Slow animation
Auto-rotate camera
Colour vision
Protanopia
Deuteranopia