Lead(II) iodide is produced as a precipitate in the reaction shown: $\text{Pb(NO}_3)_2(aq) + 2\text{NaI}(aq) \rightarrow \text{PbI}_2(s) + 2\text{NaNO}_3(aq)$. Which method is used to separate the lead(II) iodide from the mixture?
- Acrystallisation
- Bdistillation
- Cevaporation
- Dfiltration