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Question
Which among the following is the best method to separate a mixture of naphthalene and common salt?
Which among the following is the best method to separate a mixture of naphthalene and common salt?
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Solution
The correct option is A Sublimation
The process in which a substance goes directly from solid-state to gaseous state on absorbing heat is called sublimation.
Since, only naphthalene sublimates and common salt does not, this mixture can be separated by sublimation. On heating, naphthalene converts to vapours while common salt is left behind.
The process in which a substance goes directly from solid-state to gaseous state on absorbing heat is called sublimation.
Since, only naphthalene sublimates and common salt does not, this mixture can be separated by sublimation. On heating, naphthalene converts to vapours while common salt is left behind.
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