Question

separating funnel fractional distillation coloum and sublimation of NH4CL and NaCL

Answer 1

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Try to post the complete question.

I assume that the options are Separating funnel, fractional distillation and sublimation.

Mixture given: NH4Cl and NaCl

Answer:
Sublimation method is used to separate NH4Cl and NaCl as NH4Cl , solid undergoes for sublimation that is it gets converted into gas .