The type of change observed in the sublimation of naphthalene.
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it's an example of physical change as it changes from solid to vapour without any change in its chemical structure....
Naphthalene. ... Naphthalene is a solid that sublimes at standard atmospheric temperature with the sublimation point at around 80 °C or 176 °F. At low temperature, its vapour pressure is high enough, 1 mmHg at 53 °C, to make the solid form of naphthalene evaporate into gas.
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