Question

In which process a solid changes into gas

• A. Sublimation
• B. Freezing
• C. Expansion
• D. Condensation

Answer 1

The correct option is A

Sublimation

The explanation for the correct option:

Sublimation is that process from which solid is directly changes into gas without changing into liquid state.

The explanation for the incorrect option:

Freezing: The process of liquid water changing to solid ice is termed as freezing. The temperature at which it occurs is known as the freezing point.

Expansion: It is a phenomenon which involves the action of becoming larger or spreading out or an act of relaxation or increase or enlargement.

Condensation: The process by which a substance changes from the gaseous state to the liquid state is known as condensation.

Hence, A is the correct option.