Give reason why naphthalene balls disappear with time without leaving any residue
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naphthalene balls undergo sublimation due to which it converts directly into vapours and disappear into air without leaving any residue
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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. The perfumes contain solvent which carries pleasant smelling vapour.
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