Question

The process of direct change from solid to vapour is known as ?
(a) Vaporisation
(b) Sublimation
(c) Condensation
(d )None of these

Answer 1

process of direct change of solid from solid to Vapour is known as sublimation

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Answer 2

Answer:B- sublimation

Explanation:becuse it does not changes to liquid state

Eg-ammonium chloride