filtration or distillation
Na2CO3 is soluble in water and separated by filtration from a water mixture.Naphtalene is separated by heating when sublimation occur.
Use a magnet to remove the iron filings from the mixture, then mix the remaining components with water. The copper sulfate will dissolve but the CaCO3 (chalk powder) will not. Filter the mixture to remove the chalk, then boil the water to recover the copper sulfate.
Burning old wooden boards to recover the nails and screws embedded in them.
Place the mixture in water. You recover the iron once the salt dissolves. Then allow the water salt mixture to dry and allow salt crystals to reform.
Solvent extraction is the best method. Lets look at the components. We know salt is very soluble in water yet sand is not. Add the mixture to water and stir well. Filter it. The material left in the filter paper will be sand and the solution recovered will be salt solution - you can recover the solid salt vis evaporation.
Probably the simplest method is to dissolve the salt in water, filter the sulphur out (then evaporate the salt solution to recover the salt if desired.)
we wouldn't have rain without it.
One method is to use a process called chromatography. This involves placing a sample of the mixture onto a piece of filter paper. The filter paper is then placed in a container of a liquid solvent such as water. The solvent travels up the paper, carrying the mixture with it. As the solvent travels up the paper, the different components in the mixture separate and move at different rates, allowing you to separate the starch and sugar.
Perhaps the full question is how can one separate by filtration, a sugar and sand mixture.One answer is to thoroughly saturate the mixture, and run the liquid through a filter paper. The sugar solution will run through, but the sand will not pass.You may then recover the sugar by gentle evaporation of the liquid.
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You would have to evaporate the water
Distillation