Question

The fragrance of the incense stick spreads across the room. Explain with reason.

Answer 1

Answer:

This is because the particles in gases move very quickly in all directions. Example. When we light an incense stick (agarbatti) in a corner of our room, its fragrance spreads in the whole room very quickly. The fragrance of burning incense stick spreads all around due to the diffusion of its smoke into the air.

Answer 2

Answer:

In gases, intermolecular forces of attraction between the particles are very weak. Hence, the particles of gases produced by the burning of incense stick move rapidly in all directions. They collide with the particles of air present in the room, spread with air to distances.

Explanation:

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