What is a way to separate a mixture of sugar, salt and sand?

Question

There all inside a container; sand. salt and sugar. What is a way to separate the mixtures?

Answer 1

Add water and that will dissolve the sugar and salt and leave the sand. So, now you have the sound out. Next, allow the sugar and salt to undergo fractional cystallization. One shoudl cystalize before the other (I don't know which) and so you can filter the crystals out. Then allow the filtrate to undergo further cystallazation and you'll get the final solute.

I am pulling this fro memory so I could be wrong. Please google "fraactional crystallization" to make sure.

Answer 2

first, put the mixture in cold water. The salt will go into solution but the sugar will not.

Decant the liquid and dry it. The dried solid will be mostly salt.

Next, put the remaining mixture in hot water. The sugar will melt the sand will not.

Decant and dry the liquid to get the sugar.

The remainder is sand.

Answer 3

1) Add water - filter (sand comes out)
2) Acidify with .1M HCL
3) Extract with petroleum ether (sugar comes out in pet. ether layer)
4) neutralize and evaporate - remainder is salt

Answer 4

use a centrifuge.