Question

give reason for the following observation we can get the smell of perfume sitting several metres away​

Answer 1

it's because of diffusion .when the perfume (gas) is released from the bottle it quickly changes into vapour which rapidly moves in all direction because it is volatile

Answer 2

Answer:

because it is made up of ethanol(alcohol)

Explanation:

but when we do chemical reaction of ethanol with ester this reaction is c esterfication which produce sweet smell

then we get the smell the perfume sitting several metrs