Question

how to separate sugar and salt if they are in a same container?

Answer 1

1.  Evaporate out any water, if necessary, by placing the solution near a heat source. The simplest way to do this is to expose the solution to natural sunlight. This will crystallize the mixture. It is best to separate these two compounds when they are solid crystals.

2. Pour the salt and sugar crystal mixture into a filter and put that filter over your container. Funnel-shaped filter paper may be best.

3. Pour your organic solvent( like ethanol or acetone) carefully into the salt and sugar mixture. This compound will dissolve the sugar, since both the sugar and the solvent are organic. The salt is an ionic compound; therefore its bonds resist the non-polar organic solvent and only yield to only the most polar of solvents, mainly water.

4. Empty the filter onto a petri dish. The remaining crystals in that were left in the filter should be salt.

5. Observe the container that you poured the organic solvent into to see if you can save your sugar. Organic solvents like acetone tend to evaporate at low temperatures, and may leave the sugar behind when it does, depending on the solvent's concentration

Answer 2

first add water in the mixture of salt and sugar than evaporate the mixture and cover the beaker with the lid and collect the vapour and condese it and distillate it