Question

You are given a mixture of sand, iron nails, and salt water. devise a plan for separating this mixture. identify how you will separate each part of the mixture, and the physical properties that allow you to do this.

Answer 1

1) You can use magnet to remove iron nails. (Iron separated.)
2) Add water to the mixture of salt and sand. Salt will dissolve in water, but sand will not dissolve.
3) Filtrate sand. (Sand separated, salt is in the solution.)
4) Evaporate water from salted solution. (Salt separated.)