Question

write about the sublimation ​

Answer 1

Answer:

The process in which solids directly change into gases is called sublimation

Answer 2

$\huge\underline{\underline\mathtt{Answer:-}}$

Have you seen what happens when amphor is burnt? All substances do not pass through the three states: solid-liquid-gas. There are certain substances which normally pass from the solid to the vapour state directly and vice versa. The change from solid state to vapour state without passing through the liquid state is called sublimation and the substance is said to sublime. Dry ice (solid CO,) and iodine sublime. During the sublimation process, both the solid and vapour states of a substance coexist in thermal equilibrium. Most substances sublime at very low pressures