Question

how will you separate a mixture of chalk and ammonium chloride

Answer 1

By the process of sublimation.

Answer 2

We can separate a mixture of chalk and ammonium chloride by the process name as sublimation.

By heating the mixture we can separate them.

Start heating the mixture and in this way the ammonium chloride will sublime and get stuck on the walls of the funnel leaving chalk as residue .