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Give reason for the following observatio...

Give reason for the following observation: The small of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.

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The rate of diffusion is very high in case of . The particles of hot sizzling food mixes with the articles of air and reaches us several metres away. In se of cold food the food particles do not mix with the articles of air easily. The temperature increases the rate diffusion. Hence we have to go close to it to get the hell.
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