Question

Answer the following questions:-
Why do napthalene balls disappear after Sometime if we leave them in the corner of a room​

Answer 1

Answer:

Naphthalene undergoes sublimation easily i.e., the change of state of naphthalene from solid to gas without the intervention of the liquid state. Thus, naphthalene balls keep on forming naphthalene vapours which disappear into the air with time without leaving any solid.

Explanation:

Answer 2

Napthalene balls disappear after sometime if we leave them in a corner of a room because the process of sublimation occurs which means it changes its state i.e. from solid to gas directly without changing into liquid state.