Question
Question: Silver can be separated from lead by :...
Silver can be separated from lead by :
A
Fractional crystallisation
B
Liquation
C
Cupellation
D
Addition of zinc (Parke's method)
Answer
Addition of zinc (Parke's method)
Explanation
Solution
Molten silver preferentially dissolves in molten zinc forming silver-zinc alloy - Which is lighter and has higher melting point. Therefore, (4) option is correct.