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Question
Which one of the following is the most suitable method to separate a mixture of salt and ammonium chloride ?
Which one of the following is the most suitable method to separate a mixture of salt and ammonium chloride ?
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Solution
The correct option is C Sublimation
Sublimation is defined as the process by which a substance in its solid state changes to gaseous state directly, without converting into liquid, due to increase in temperature and/or decrease in pressure.
When a mixture of salt and ammonium chloride are heated together, ammonium chloride sublimes on heating while sodium chloride (NaCl) is left as the residue.
Sublimation is defined as the process by which a substance in its solid state changes to gaseous state directly, without converting into liquid, due to increase in temperature and/or decrease in pressure.
When a mixture of salt and ammonium chloride are heated together, ammonium chloride sublimes on heating while sodium chloride (NaCl) is left as the residue.
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