A student spilled ammonia in lab and its irritating smell spread everywhere.The students opened the windows and after a while, they got relief. Please Explain how the smell spread and how opening the windows lessened the smell.
Asked by Arpit Das | 22nd Apr, 2011, 02:02: AM
This is simply based on diffusion. Diffusion describes the spread of particles through random motion from regions of higher concentration to regions of lower concentration.
Likewise when we open a bottle of perfume at one corner of the room, soonafter we can smell it allover the room.
Answered by | 23rd Apr, 2011, 09:25: AM
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