Question

The room fresheners are based on the property of

• A. Melting
• B. Vapourisation
• C. Diffusion
• D. Sublimation

Answer 1

The correct option is C

Diffusion

The correct option is (C) Diffusion.

• Diffusion: The process of intermixing different substances due to random motions of their molecules is called diffusion.
• When a room freshener gets sprayed in a room, the particles of the room freshener get intermixed with the particles of air and which gives a pleasant smell.
• The rate of diffusion is very faster in gases and slower in liquids. Solids do not diffuse because of very high interparticle attraction.
• A few more examples of diffusion are the smell of perfume reaching some distance, the smell of hot food, the addition of water to milk, etc.