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प्रश्न
Give reason :
The odour of scent spreads in a room.
उत्तर
Scent fumes (molecules) being gases fill the spaces between air molecules and the molecules of air fill the spaces between scent molecules due to diffusion, fumes spread into a room.
OR
Due to the inter-mixing of scent molecules and air molecules, scent fumes spread into the room.
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