Discussion
Iodine can be separated from a mixture of Iodine and Potassium Chloride by ?
Answer: C
The two are separated by sublimation.
Iodine passes straight from solid to violet vapour on warming and recondenses as crystals on a cold surface, while potassium chloride, being non-volatile, stays behind. Filtration and sedimentation need one component to be insoluble in a liquid, and neither substance is a liquid to distil.
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