Question

Naphthalene balls disappear with time without leaving any solid. give example​ .​

Answer 1

Answer:

Naphthalene balls disappear with time without leaving any solid because they undergo sublimation i.e., they directly change into vapour without passing through the liquid state.

(b): We can get the smell of perfume sitting several metres away due to diffusion.

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Answer 2

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Sublimation

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Naphthalene balls disappear with time without leaving any solid because they undergo sublimation i.e., they directly change into vapour without passing through the liquid state.

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