Question

how to separate sand, salt, sulphur, ammonium chloride, iron

Answer 1

it is quite easy

 1-Prepare a mixture of all the component mentioned.

2-use magnet to remove iron particle from it.

heat the mixture . this would remove ammonium chloride from it as it si a sublime

3- add carbon disulfide in it.

4- filter the solution and you will observe that the residue is sand and salt it is separated from the mixture also.

4- now add water to the mixture of  salt and sand.

5-salt is dissolved in water but sand does not dissolve in it.

6-filer the solution again.

7- again the sand will the residue.

8- solution of salt and water is left.

9-heat the solution.

10- water evaporates and leaves the salt behind

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