The sequence of steps for separating a mixture of salt, sand and camphor is:

Question

$\begin{array}{1 1} \text{a. Adding water, filtration, evaporation, sublimation } \\ \text{ b. Adding water, filtration, sublimation, evaporation } \\ \text{ c. Sublimation, adding water, filtration, evaporation } \\ \text{ d. Sublimation, adding water, evaporation, filtration } \end{array} $