Identify the salt sim
Bottle X holds a 0.1 mol/dm³ solution of one salt.
Identify the salt · covers the GCSE, IGCSE, O-Level topic
What the sim shows
Damp red litmus at the mouth
Use it in your lessons
- Try it here: anyone can unlock 2 figures free, and a free account unlocks up to 5. Runs on a laptop, a Chromebook or a phone; nothing to install.
- Present it and share student links with the teacher plan, from US$5 a month, billed yearly.
- Put it on your own website or LMS for US$9, paid once, or every sim from US$29 a month.
Free guide: 12 practicals as sims, and how to run one in a lesson →
Need a version for your exact set-up? Have one made: US$49 a figure in an order of 5.
More chemistry sims
- Conservation of mass simWeigh three reactions on a 0.01 g balance: a precipitate in a flask, marble fizzing in acid with the bung in or out, and magnesium burning in a crucible; plot mass against time and explain each change.
- Empirical formula of magnesium oxide simBurn magnesium ribbon in a lidded crucible, weigh to constant mass and work out the formula MgO from your own readings.
- Filtration, evaporation and crystallisation simStir, filter and then evaporate or crystallise to get salt or copper(II) sulfate back out of a mixture with sand, and see how much you recover.
- Flame tests and the spectroscope simClean a nichrome loop in acid, dip it in a solid, hold it in a roaring blue flame, record the colour, name the metal ion and match its line spectrum.
- The greenhouse effect simChange the carbon dioxide and methane in the air (or pick a year from the record), watch infrared being absorbed and sent back down, and read the extra heating and settled temperature; then sort out the ozone-hole mix-up.
- Group 1 metals in water simDrop the same size piece of lithium, sodium or potassium into water with universal indicator: floating, melting, fizzing, the lilac flame, the hydrogen and the pH, with the trend explained. Rubidium and caesium as a clearly marked prediction only.