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NEET levelSingle correct optionDifficulty 1 of 3si063

Which of the following mixtures can be separated by sublimation?

A $NH X_{4} Cl$ and $NaCl$
B $NaCl$ and $KCl$
Csand and $NaCl$
Dsugar and $NaCl$

Answer: A

Ammonium chloride sublimes on heating while sodium chloride does not, so the vapour of

NH X_{4} Cl

can be condensed and the salt left behind. The other pairs contain no sublimable component.

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