Why do naphthalene balls disappear with time without leaving any solid behind?

Due to melting

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Due to boiling

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Due to freezing

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Due to sublimation

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Solution

The correct option is D
Due to sublimation

Naphthalene balls undergo sublimation and when exposed gradually get converted into the gaseous state at room temperature.

Sublimation is the process of a solid getting converted directly into the gaseous state.

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(a)

(b)

Naphthalene balls disappear with time without leaving any solid residue. Why? [1 MARK]

Give reason why naphthalene balls disappear without leaving any solid ?

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