Question

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

Answer 1

Explanation:

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 forming naphthalene vapours that disappear into the air with time without leaving any solid.

Answer 2

Answer:

Answer given in attachment

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