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Question

Give reason for the following observation:
The smell of lighted incense stick spreads several meters away.


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Solution

  • The smell of lighted incense stick spreads several meters because of Diffusion.
  • Diffusion is a process resulting from the random motion of molecules by which there is a net flow of matter from a region of high concentration to a region of low concentration.
  • A familiar example is the perfume of a flower that quickly permeates the still air of a room.

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