Question

Spreading of fragrance of a burning incense stick in a room shows that:

• A. particles of matter have spaces between them.
• B. particles of matter attract each other.
• C. particles of matter are constantly moving.
• D. particles of matter have smell.

Answer 1

The correct option is C

particles of matter are constantly moving.

The process of spreading of vapours of camphor, the smell
of flowers, smell of good food, a lighted agarbathi or perfume
through air is called diffusion.
Spreading of fragrance of a burning incense stick in a room shows that particles of matter are constantly moving.