Question

Which of the following does not undergo sublimation?

• A. Sodium chloride
• B. Ammonium chloride
• C. Camphor
• D. Iodine

Answer 1

The correct option is A

Sodium chloride

The explanation for the correct option:

(a) Sodium chloride:

1. Sublimation is the conversion of a substance from a solid to a gaseous state without changing into a liquid state.
2. Sodium chloride is also known as common salt.
3. Sodium chloride does not change directly into a gaseous state on heating. It first converts into liquid form, then it converts into the gaseous state.

The explanation for incorrect options:

Since ammonium chloride, camphor and iodine directly change into the gaseous state on heating without changing in liquid form. Thus, ammonium chloride, camphor, and iodine undergo sublimation. Hence, options (b), (c) and (d) are the incorrect options.

Hence, option (a) is correct. sodium chloride doesn't undergo sublimation.