Question

give reason
naphthalene balls disappear with time without leaving any solid

Answer 1

Just bcoz they are sublime and carry out sublimation . naphthalene balls directly get converted to gas . They don't dissappear anywhere just their state of matter changes




HOPE IT HELPS...

Answer 2

NAPTHALENE BALLS ABSORB THE HEAT OF THE ENVIROMENT AND CHANGES INTO GASEOUS FORM .THIS METHOD IS CALLED SUBLIMATION

2.The particles of perfume diffuse rapidly into the air and its smell can be felt while sitting several metres away.

3.Naphthalene balls undergo sublimation due to which it converts directly into vapours and disappear into air without leaving any solid.