How can you separate a mixture of sand and benzoic acid to provide pure benzoic acid?

Answer:

Add water and after the solving of benzoic acid filter the solution; on the filter remain the sand and the solution is a solution of benzoic acid. But this experiment is without sense.

First answer by Desdichado. Last edit by Desdichado. Contributor trust: 441 [recommend contributor recommended]. Question popularity: 4 [recommend question].