Question

how will you separate mixture of common salt and ammonium chloride

Answer 1

by sublimation process we can separate mixture of common salt and ammonium chloride

Answer 2

We can separate the solution by a process called sublimation. In this take the mixture in a China dish, cover a funnel on it upside down and fix a cotton plug on the other end of the funnel . Now heat the mixture ,after sometime the vapours of ammonium chloride rise and condense at the walls of funnel. When all the ammonium chloride stick to the funnel , stop heating it and scrap the ammonium chloride from the funnel. This way you will get salt and ammonium chloride separately