Question

In which of the following set-ups reaction will take place?
(i) Iron nail in copper sulphate solution
(ii) Zinc granules in iron sulphate solution
(iii) Copper in zinc sulphate solution
(iv) Copper wire in iron sulphate solution
(a) Only i and ii
(b) Only ii and iii
(c) Only i, ii and iii
(d) All i, ii, iii and iv​

Answer 1

Answer:

i am sure about only one and it is no.1 iron nail in copper sulphate solution