CH-496
Separation and purification
Chemistry · Secondary 3 · Medium · Separation and purification
A student wants to obtain pure solid sodium chloride from a solution of sodium chloride mixed with sand. Which sequence of methods should be used?
- Evaporation, then filtration
- Filtration, then evaporation
- Distillation, then filtration
- Chromatography, then evaporation
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.