A solid waste mixture contains potassium nitrate and silica dust. Pure potassium nitrate can be reclaimed from this mixture using the method described below.
Use words from the box to complete the sentences. You may use each word once, more than once, or not at all.
crystallisedissolvefilterfiltrateresiduesolvent \begin{array}{|cccccc|} \hline \text{crystallise} & \text{dissolve} & \text{filter} & \text{filtrate} & \text{residue} & \text{solvent} \\ \hline \end{array} crystallisedissolvefilterfiltrateresiduesolvent
