Question

give reason for the following observation

a)naphthalene balls disappear with time without leaving any solid .

b)we can get the smell of perfume sitting several meters away ​

Answer 1

Answer:

a) sublimation

b)diffusion

Explanation:

Answer 2

Answer:

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a. Naphthalene undergoes sublimation as the change of state of naphthalene from solid to gas without the intervention of the liquid state.

b. We can get the smell of perfume sitting several metres away because the particles present in the perfume are gaseous and they react with the atmosphere fastly so that we can smell it if we are sitting a metres away