We do not get the fragrance of cold food from a distance while we get the fragrance of hot food from a distance. Which one of the following reason supports the above statement ?

Partilces in the fragrance of hot food have higher kinetics energy as compared to cold food

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Partilces in the fragrance of hot food have lower kinetics energy as compared to cold food

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Rate of diffusion of partilces in the fragrance of hot food is higher as compared to cold food

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Rate of diffusion of partilces in the fragrance of hot food is lower as compared to cold food

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Solution

The correct options are
A Partilces in the fragrance of hot food have higher kinetics energy as compared to cold food
C Rate of diffusion of partilces in the fragrance of hot food is higher as compared to cold food
$∙$ Smell coming out from the cold food in the form of gas do not have enough kinetic energy to cover more distance. But when food is hot the vapor coming out from it moves more rapidly because of more kinetic energy and reaches to us even if we are at a distance from it.
$∙$ This shows that temperature increases the rate of diffusion. Hence, rate of diffusion of partilces in the fragrance of hot food is higher as compared to cold food

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