Sublimation

Topic Content:

What is Sublimation?

Sublimation is the change of a substance directly from the solid state to the gaseous state without passing through the liquid state.

On cooling, the vapour may change directly back to the solid state. The solid deposited in this way is called a sublimate .

Examples of substances that sublime include iodine, camphor and naphthalene. Ammonium chloride can also be separated from some non-volatile solids by heating and cooling.

Separation by Sublimation:

Sublimation can be used to separate a substance that sublimes