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प्रश्न
The process of the gradual disappearance of a naphthalene ball is known as ______.
पर्याय
evaporation
solidification
sublimation
melting
MCQ
रिकाम्या जागा भरा
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उत्तर
The process of the gradual disappearance of a naphthalene ball is known as sublimation.
Explanation:
Sublimation is a phase change where a solid turns directly into a gas without melting into a liquid first. Naphthalene balls slowly transition directly into vapour over time when exposed to air.
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