Question

What is the change of a solid directly into its vapour state without passing through the liquid state called?

Answer 1

Sublimation:

• The change of a solid directly into its vapour state without passing through the liquid state is called sublimation.
• This process is used to separate a mixture containing a constituent that sublimes.
• For example, ammonium chloride, naphthalene, and iodine are the substances that sublime from a mixture.