A student was given Mg, Zn, Fe and Cu metals


#1

A student was given Mg, Zn, Fe and Cu metals. He put each of them in dil. HCl contained in different test tubes. Identify which of them
(i) will not displace H, from dil. HCl?
(ii) will give H, with 5% HNO3?
(iii) will be displaced from its salt solution by all other metals?


#2

(i) Cu metal will not displace H2 from dil. HCl.
(ii) Cu will give H2 with 5% HNO3.
(iii) Cu metal will be displaced from its salt solution by all other metals.