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Question
When a mixture of
common salt and ammonium chloride is heated, white fumes are
liberated which change into a white deposit as they solidify. What is this substance?
When a mixture of common salt and ammonium chloride is heated, white fumes are liberated which change into a white deposit as they solidify. What is this substance?
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Solution
The correct option is B Ammonium chloride
On heating the mixture of common salt and ammonium chloride, white fumes evolve and rise. These are fumes of ammonium chloride and not of common salt because ammonium chloride is a sublimating substance and common salt is not.
On heating the mixture of common salt and ammonium chloride, white fumes evolve and rise. These are fumes of ammonium chloride and not of common salt because ammonium chloride is a sublimating substance and common salt is not.
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