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Choose the correct statement of the following.
Conversion of solid into vapours without passing through the liquid state is called vapourisation.
Conversion of solid into vapours without passing through the liquid state is called sublimation.
Conversion of vapours into solid without passing through the liquid state is called freezing.
Conversion of solid into liquid is called sublimation.

A

Conversion of solid into vapours without passing through the liquid state is called sublimation.

B

Conversion of solid into liquid is called sublimation.

C

Conversion of solid into vapours without passing through the liquid state is called vapourisation.

D

Conversion of vapours into solid without passing through the liquid state is called freezing.

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Solution

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Some solid substances when heated get converted directly to the gaseous or vapour state without first passing through the liquid state. When this vapour or gas is cooled, it gets converted directly into a solid, without passing through the liquid state. Conversion of solid into vapours when they get cooled is called $s u b l i m a t i o n$ .

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