Separation Techniques — Interactive Lab
A virtual separation-techniques bench for Lower Secondary Science (Chapter 4 · Exploring Diversity of Matter Using Separation Techniques). Drag, tilt and click the apparatus like the real thing — then check the notes to see the science behind each step.
Magnetic attraction
Sweep a bar magnet over an iron-and-sulfur mixture and pull the iron out.
Filtration
Fold the paper, load the funnel, tilt the beaker and collect the filtrate.
Simple Distillation
Boiling chips, counter-current cooling, pure water from salt water.
Paper Chromatography
Two strips, two run times — and the same Rf every time.
Reverse osmosis
Squeeze seawater against a partially permeable membrane — the reverse-osmosis step used in desalination and NEWater.
Evaporation
Stand the dish on the gauze, pour in the solution and boil off the water to leave the solid behind.
Question Bank
Eleven multiple-choice questions covering every Chapter 4 technique. Choose an answer, confirm, and see it marked instantly.