In order to separate a mixture of sand and salt, which one of the following four sequences of processes has to be used?

Options

A. Filtration, decantation, evaporation, sedimentation
B. Evaporation, sedimentation, decantation, filtration
C. Decantation, sedimentation, evaporation, filtration
D. Sedimentation, decantation, filtration evaporation

Answer

A

Explanation

To separate a mixture of salt and sand, dissolve the salt in water, decant the liquid and evoporate the water to leave salt crystals, salt and sand is heterogenous mixture can be separated by physical means.