Question

Camphor disappears with out leaving any residue. Explain ? ​

Answer 1

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Camphor disappears without leaving any residue because of sublimation as it changes its state directly form solid to gas without changing to liquid.

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Answer 2

Camphor disappears without leaving any residue due to sublimation.
SUBLIMATION:
The process of solid changing to gas directly without changing to liquid is called sublimation.