we can separate salt and sand by solving the mixture into water salt is soluble but sand is not .
Salt is soluble in water.Sulfur is soluble in carbon disulfide.Sand is insoluble.
disolve the mixture in water then filter out the sand. Dry out the salt water to get salt.
Put them in water. Sugar dissolves, sand remains Filter the solution to separate sand and salt. Evaporate solution with dissolved salt to get salt back
With a sieve (or more sure with a filter) you can separate a water solution of salt from sand. After the evaporation of water you obtain crystallized salt.
Place the mixture in water and separate the sand from the water if you want the salt. alow the water to evaporate, and you have salt and sand separated.
i think that add water to the container having salt and sand. then mix well. then separate the sand from water easily and later on boil water to have salt again.
Solubility ... the salt will dissolve in water, but the sand won't.