Question

Naphthalene balls disappear with time without leaving any solid residue . Why

Answer 1

napthalene balls undergo sublimation


in the process of sublimation the solid directly changes into gas without leaving any residue

u can also take example of camphor

Answer 2

it's because it undergoes the process called sublimation , where solid directly changes into gas without leaving any residue.


hope this helps u dear friend