One of the following does not undergo sublimation. This one is:

(a) iodine (b) sodium chloride (c) ammonium chloride (d) camphor

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Solution

The answer is Sodium Chloride.

Sublimation is conversion from solid to gas directly bypassing the liquid state. This happens only with those substances whose melting point of the solid and the boiling point of its liquid form are very close to each other.

In the case of NaCl, the melting point and the boiling point are not very close and hence NaCl does not sublime.

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One of the following does not undergo sublimation. This one is: (a) iodine (b) sodium chloride (c) ammonium chloride (d) camphor

One of the following does not undergo sublimation. This one is:

(a) iodine (b) sodium chloride (c) ammonium chloride (d) camphor