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Question
Compound "X" on slight heating over room temperature, goes directly from solid state to gaseous state. Which amongst the following method can be used to separate a mixture of X and common salt?
Compound "X" on slight heating over room temperature, goes directly from solid state to gaseous state. Which amongst the following method can be used to separate a mixture of X and common salt?
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Solution
The correct option is C Sublimation
The process in which a substance goes directly from solid state to gaseous state on absorbing heat is called sublimation.
Since, only compound X sublimates and common salt does not, this mixture can be separated by sublimation. On heating X 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 compound X sublimates and common salt does not, this mixture can be separated by sublimation. On heating X converts to vapours while common salt is left behind.
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