A) sublimation
B) extraction with a solvent
C) chemical method
D) fractional crystallization
Correct Answer: C
Solution :
Aqueous solution of\[NaHC{{O}_{3}}\]can be used to separate benzoic acid from its mixture with camphor. Benzoic acid form water soluble sodium benzoate with\[NaHC{{O}_{3}}\].
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