Question

when we open a bottle of perfume. the perfume changes from liquid to gas state?

Answer 1

perfume is a volatile liquid so it evaporates very fast at room temperature. here process of evaporation occurs

Answer 2

Hii

Here's your answer...

It happens so because the solid substance present inside the bottle has sublime i.e. it has changed its state from solid to gas without changing to liquid and this process is known as sublimation..

Hope this helps..
:)