1.

The best method for the separation of naphthalene and benzoic acid from their mixture is

Answer»

sublimation
chromatography
crystallisation
distillation

Solution :Both naphthalene and benzoic acid SUBLIME on HEATING and hence cannot be SEPARATED by sublimation. Benzoic acid is, however, soluble in HOT water but naphthalene and hence can be separated by crystallization.


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