Question

Why does the fragrance of an incense stick spread in the room .

Answer 1

Answer:

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.

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Answer 2

Answer:

When we light an incense stick 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. The smell of perfume spreads due to the diffusion of perfume vapours into air.