Question : By which of the following processes is a solid substance directly converted into gas?

Option 1: Deposition

Option 2: Sublimation

Option 3: Vaporisation

Option 4: Fusion


Team Careers360 10th Jan, 2024
Answer (1)
Team Careers360 14th Jan, 2024

Correct Answer: Sublimation


Solution : The correct answer is Sublimation.

Sublimation is the process of turning a solid directly into vapours. When the boiling point is lower than the melting point, sublimation occurs.

The heat of sublimation at a particular temperature is the amount of heat needed to convert a unit mass of solid into vapours at that temperature.

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