Question

Sand is removed from naphthalene by ___________________ method.

Answer 1

by sublimation method
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Answer 2

Dear Student,

◆ Answer -

Sand is removed from naphthalene by sublimation method.

● Sublimation -

• Transition of substance from solid phase to gas phase without passing through liquid phase is called sublimation.
• It can be used for separation of mixture if one substance is sublimable.
• Substances that undergo sublimation are - dry ice, napthalene (moth balls), solid iodine, wax, ammonium chloride.

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