Question

How can we separate the mixture of sodium chloride and ammonium chloride ?

Answer 1

for separating sodium chloride(salt) and ammonium chloride

we just only have to heat this mixture and while heating we will see that ammonium chloride  after some time so we can condense it to get ammonium chloride and salt separated.  

Answer 2

by heating u can be able to seperate sodium chloride and ammonium choride