Question

Which among the following is a sublime substance?

• A. Ammonium chloride
• B. Naphthalene
• C. Camphor
• D. All the above

Answer 1

The correct option is D

All the above

Explanation of the correct answer

1. Sublimation: The process of a substance changing directly from the solid to the gas phase without passing through the liquid state on heating.
2. Sublime: The solid substance which undergoes sublimation.
3. Sublimate: The substance obtained by cooling the vapors of solid.
4. solids such as iodine, camphor, naphthalene, and ammonium chloride change directly into the gaseous state on heating without passing through the liquid state.
5. Hence, Ammonium chloride, naphthalene, and camphor are given and all these substances are sublime as they are present in the solid state.

Therefore, Option (d) All the above is correct.