Chemistry · PYQ NEET UG 2024
हिन्दीOn heating, some solid substances change from solid to vapour state without passing through liquid state. The technique used for the purification of such solid substances based on the above principle is known as
Correct answer · Option 4
Sublimation
Explanation
Sublimation is the process where a solid directly converts into vapor upon heating without forming a liquid phase, used to purify sublimable solids.