Question

give resson the smell of hot sizzling food reaches you several meters away,but to get the smell from cold food you have to go close

Answer 1

Answer:-This is because in hot food vapours arises.When these vapours rises and colloid with the air particles (through diffusion) the smell of food reaches our nose although we are several metres away.But in cold food vapours do not arise and to get its smell we have to go close.

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Answer 2

Answer:

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Give Reasons:

The smell of hot sizzling food reaches you several meters away, but to get the smell from cold food you have to go close.

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The smell of hot sizzling food reaches severed meters away, as the particles of hot food have more kinetic energy and hence the rate of diffusion is more than the particles of cold food.