Question

we can get the smell of perfume sitting several metres away give reason

Answer 1

The perfume molecules spread out or 'diffuse' through the air. The smell becomes less concentrated but it reaches a great distance - meaning you can smell it from relatively far away :)

Answer 2

Answer:Due to diffusion

Explanation:The rate of diffusion increases with increase in temperature because when temperature increases,the kinetic energy also increases therefore its movement increases.Gases have the strong tendency to diffuse