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Question

Why does the size of naphthalene balls decrease when left out in the open?

A
Due to fusion
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B
Due to evaporation
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C
None of the above
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D
Due to sublimation
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Solution

The correct option is D Due to sublimation
The size of naphthalene balls decreases when left out in the open because of sublimation. In sublimation, the transition of a substance happens directly from the solid phase to the gaseous phase without passing through the intermediate liquid phase.

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