Question

Give reason for the following observations.
(a) Naphthalene balls disappear with time without leaving
any solid.
ufume sitting several metres​

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:

Hope it helps you ❣

please mark my answer as the brainliest ❣✨

Answer 2

Explanation:

ans a) because nephthalene balls are sublime substance.

b) because of diffusion perfume smell's from several meter.