Question

Naphthalene balls disappear with time without leaving any residue, give reason

Answer 1

Naphthalene balls undergo sublimation due to which it converts directly into vapours and disappear into air without leaving any solid.

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Answer 2

ANSWER IS HERE

Naphthalene balls disappear with time without leaving any residue because they have a special property called sublimation.

The process of changing from solid to directly gaseous state is called sublimation.

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