Question

how will you separate a mixture of salt and ammonium chloride

Answer 1

by heating in the flash by this method amonium chloride will evaporate away and the remaining is salt

Answer 2

We can separate a mixture of salt 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 salt as residue .