Question

Which one of the following metals will not liberate hydrogen gas when treated
with dilute hydrochloric acid ?
(i) Magnesium (ii) Zinc
(iii) Copper
(iv) Iron
choose the anwer​

Answer 1

Answer:

Copper

Explanation:

hope it helps you sorry if incorrect

Answer 2

Answer:

(iii) Copper

Explanation:

Copper doesn't react with dil. HCl.

Hence it metals will not liberate hydrogen gas when treated.