Which of the following mixtures of ions in solution can be separated by using NaOH solution?

Options

A. `Fe^(3+) and Pb^(2+)`
B. `Pb^(2+) and Sn^(2+)`
C. `Zn^(2+) and Sn^(2+)`
D. `Al^(3+) and Cu^(2+)`

Answer

A, D