Question

Q.18 (1) What happens when the following react with one
another. Give chemical equations, name of the
reaction and colour changes wherever necessary :-
(a) Copper and Zinc Sulphate
(b) Zinc and Iron Sulphate
(c) Copper Sulphate and Zinc
(d) Copper Sulphate and Iron
(i) Arrange the following metals in the decreasing order
of their reactivity.
Silver, Copper, Sodium, Zinc, Iron​

Answer 1

Explanation:

plz mark me as brainliest