A. addition of water, filtration, evaporation to dryness and sublimation
B. filtration, evaporation to dryness, addition of water and sublimation
C. sublimation, filtration, evaporation and addition of water
D. sublimation, addition of water, filtration and evaporation to dryness
Correct Answer:
Option A – addition of water, filtration, evaporation to dryness and sublimation
Explanation
Process: Add water to the mixture and then filter. The resultant is a salt solution as your filtrate and a mixture of iodine and sand as your residue. Evaporate the filtrate to dryness to get your sodium chloride (salt). Heat the residue to sublime the iodine from the sand.
Addition of water → Filtration → Evaporation → Sublimation.
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