A STUDENT SPILLED A BOTTLE OF A AMMONIA IN ONE CORNER OF LABORATORY WAS FILLED WITH PUNGENT SMELL .THE STUDENTS IMMEDIATELY OPENED THE WINDOWS AND DOORS AND SWITHED ON THE EXHAUST FANS .AFTER SOMETIME STUDENTS GOT RELIEF . EXPLAIN WHAT DID ACTUALLY HAPPEN ?
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That's because the molecular spaces in air are loosely packed and the odour is able to diffuse in air easily. Once opened a window, the odour extinguishes away, giving relief.
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Initially when the student spilled ammonia bottle, its gas particles diffused with the air particles that were present in the room. Rate of diffusion of gases is very high. Therefore, in the starting the entire room got filled with ammonia, which has a pungent smell.
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