Question

Which of the following changes represent the process of sublimation.

• A. Solid⇢Liquid
• B. Liquid ⇢ Solid
• C. Solid ⇢ Gas
• D. Gas ⇢ Liquid

Answer 1

The correct option is C

Solid ⇢ Gas

Explanation for correct option:

• The process of changing from a solid state to a gaseous state without undergoing a liquid state is called sublimation.
• Examples are air freshener, naphthalene, camphor, and dry ice.

Explanation for wrong options:

Option A:

• When the solid state is converted to a liquid state the process is known as Melting.
• For example, melting of ice into water

Option B:

• The process of conversion of liquid to solid is called freezing.
• For example, turning of water into ice.

Option D:

• The process of converting the gaseous form of any substance to its liquid form is called condensation.
• For example, water vapour converting into dew.

Therefore Option C is the correct answer.