Exchange of lead and potassium ions takes place
A. Both (I) and (III)
B. Both (II) and (III)
C. Both (I) and (IV)
D. Both (II) and (IV)
Answer:C
Exchange of lead and potassium ions takes place
A. Both (I) and (III) B. Both (II) and (III) C. Both (I) and (IV) D. Both (II) and (IV)