SC-714
Filtration
Lower Sec Science · Secondary 1 · Medium · Filtration
A mixture contains sand and common salt (sodium chloride). Which sequence of methods will best separate pure dry sand from this mixture?
- Add water, stir, then filter; keep the residue.
- Add water, stir, then evaporate to dryness; keep the residue.
- Add ethanol, stir, then filter; keep the filtrate.
- Add ethanol, stir, then distil; keep the distillate.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.