Question

Explain with a neat labelled diagram how we can separate a mixture of salt and Aluminium chloride

Answer 1

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Separation of ammonium chloride and salt by sublimation:-

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We know that ammonium chloride changes directly from solid to gaseous state on heating. So, in order to separate a mixture containing a sublimable volatile component from a non-sublimable impurity (salt in this case), the sublimation process is used.

Sublimation:It is a process in which matter undergoes a phase transition directly from a solid to gaseous form, or vapor, without passing through the more common liquid phase between the two.