Which one of the following does not undergo sublimation?
A
iodine
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B
sodium chloride
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C
ammonium chloride
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D
None of these
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Solution
The correct option is B sodium chloride Sublimation is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase. Iodine and ammonium chloride produces fumes on gentle heating while sodium chloride does not sublime.