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Sublimation

The conversio...

Question

The conversion of a solid into vapours without passing through the liquid state is called:

(a) vaporisation (b) fusion (c) sublimation (d) freezing

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Solution

(c) Sublimation.

Sublimation is the process through which the solid substance changes directly into vapours or gaseous state without passing through the liquid state. Dry ice is a common example of this process.

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Q. The conversion of a solid into vapours without passing through the liquid state is called :
(a) vaporisation
(b) fusion
(c) sublimation
(d) freezing

Q. Question 7
Choose the correct statement of the following
(a) conversion of solid into vapours without passing through the liquid state is called vapourisation.
(b) conversion of vapours into solid without passing through the liquid state is called deposition.
(c) conversion of vapours into solid without passing through the liquid state is called freezing.
(d) conversion of solid into liquid is called sublimation.

	Column l		Column ll
(A)	Conversion of liquid into solid is	(p)	Regelation
(B)	Conversion of a liquid into vapour is	(q)	Sublimation
(C)	Conversion of solid into vapour directly	(r)	Fusion
(D)	Melting of ice caused by pressure is	(s)	Vaporisation

Q. Question 22
(a)Conversion of solid to vapour is called sublimation. Name the term used to denote the conversion of vapour to solid.
(b) conversion of solid state to liquid state is called fusion; what is meant by latent heat of fusion?

Q. The change from solid state to vapour state without passing through the liquid state is called:

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