Question

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 solid into vapours without passing through the liquid state is called sublimation.
• C. Conversion of vapours into solid without passing through the liquid state is called freezing.
• D. Conversion of solid into liquid is called sublimation.

Answer 1

The correct option is B Conversion of solid into vapours without passing through the liquid state is called sublimation.

Conversion of solid into vapours without passing through the liquid state is called deposition not vaporization. Thus, the option "$A$" is incorrect.

Conversion of vapours into solid without passing through the liquid state is called sublimation. Thus, the option "$B$" is correct.

Conversion of solid into vapours without passing through the liquid state is called Sublimation not Freezing. Thus, option "$C$" is also incorrect.

Conversion of solid into liquid is called Melting not Sublimation. Thus, the option "$D$" is also incorrect.