Question

(a) Which metal from the following can displace zinc from zinc sulphate solution?
Lead, copper, magnesium, silver "
(b) Write the equation of the chemical reaction involved.
(c) Arrange metals Ca, Al, Cu and Au in decreasing order of reactivity

Answer 1

Answer:

calcium. is the answer this is the answer calcium

Answer 2

Answer:

(a) Magnesium

(b) ZnSO4+ Mg --- MgSO4+ Zn

(c) Decreasing order of metals: Ca > Al > Cu > Au.

Explanation:

hope it helps