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Shrinking of naphthalene balls is an example of what?

Answer and explanation

Correct answer: Sublimation

Naphthalene balls gradually change directly from the solid state into vapour without becoming liquid, so their size decreases over time. The direct conversion of a solid into a gas is called sublimation. Vaporization refers mainly to the conversion of a liquid into vapour, so it is not correct here. Exam tip: Camphor, iodine and ammonium chloride are common examples of substances that sublime.

Related tags

NaphthaleneSublimationStates Of MatterPhase ChangeClass 11 ChemistryNature Of MatterSome Basic Concepts Of ChemistryChemistry

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