Under normal conditions, naphthalene changes its state from _______.

solid to liquid

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liquid to gas

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liquid to solid

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solid to gas

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Solution

The correct option is D
solid to gas

Naphthalene changes its state from solid to gas, it is a process called sublimation.
Sublimation is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.
Therefore, Under normal conditions, naphthalene changes its state from solid to gas.
Hence, option (D) is the correct answer.

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