The four stages for preparing an insoluble salt are shown below. 1 drying 2 filtration 3 precipitation 4 washing What is the correct sequence for carrying out these stages?
- A$2 \rightarrow 1 \rightarrow 3 \rightarrow 4$
- B$3 \rightarrow 2 \rightarrow 4 \rightarrow 1$
- C$3 \rightarrow 4 \rightarrow 1 \rightarrow 2$
- D$4 \rightarrow 3 \rightarrow 2 \rightarrow 1$