Question

Define sublimation . Which type of mixtures are separated by this technique ?

Answer 1

Sublimation is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.
Sublimation can be used to separate a mixture of solids in which one solid sublimes and the others do not. 
Helpful 3 Confusing 2Sublimation is the process in which a heated solid goes directly into the gas phase without passing through the liquid phase.
You can use sublimation to separate a mixture of solids, one of which can undergo sublimation.
You heat the mixture and then cool the vapours separately to recover the sublimed solid .
Some substances that sublime are iodine, ammonium chloride, naphthalene, camphor, and sulfur.
The ammonium chloride vapour deposits as solid crystals on the cool walls of the funnel. The salt stays in the china dish.

Answer 2

sublimation is the process where gases directly changes into solid or solid changes into gases directly . this process is used to separate the mixture of two or miscible liquids .
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