SC-630
Choosing a separation method
Lower Sec Science · Secondary 1 · Medium · Choosing a separation method
A mixture contains iodine crystals (which sublime easily) and sand. Which sequence of methods will give a pure dry sample of iodine?
- Filtration, then evaporation to dryness
- Filtration, then crystallisation
- Sublimation, then cooling the vapour on a cold surface
- Dissolve in water, then distillation
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.