Question

Mixute of ammonium chloride and sodium chloride can be seperated by :

• A. distillation
• B. chromatography
• C. sublimation
• D. all of the above

Answer 1

The correct option is C sublimation

Substances like camphor, ammonium chloride, naphthalene, benzoic acid, iodine sublime on heating.
$\underset{\left(Impure\right)}{Solid}\stackrel{\Delta }{\to }vapour\stackrel{cool}{\to }\underset{Sublimate}{solid\left(pure\right)}$