Question

Which of the following is an example of sublimation ?
(a) dry ice changes to gaseous form
(b) burning of log of wood
(c) water changes to vapour (d) ice changes to water
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Answer 1

Answer:

dry ice changes to gaseous form is suitable answer

Answer 2

sublimation :- Sublimation is a type of phase transition, or a change in a state of matter, just like melting, freezing, and evaporation. Through sublimation, a substance changes from a solid to a gas without ever passing through a liquid phase. Dry ice, solid CO2, provides a common example of sublimation

Hence ; example of sublimation is :-

(a) dry ice changes to gaseous form