Question

the naphthalene ball disappear after sometime give reason​

Answer 1

Answer:

Solid is directly converted into gas called sublimation

Explanation:

Answer 2

Answer:

=>Naphthalene balls disappear because of the process of Sublimation at room temperature (a process by with solid directly changes to gas without going through the intermediate state of matter, liquid is called as Sublimation). So as it goes through Sublimation, the naphthalene balls is converted to gas from solid