i). Make something known to someone in spoken or written words: I would tell her English words and little things of western science and learning.
ii). Count while reciting: Her fingers were busy telling the beads of her rosary.
iii). Be sure: At her age, one could never tell.
iv). Give information to somebody: She told us that her end was near.
What inference do you draw about the behaviour of Ag+ and Cu2+ from these reactions?