Which will liberate hydrogen on reacting with hydrochloric acid ?

Which of the following will liberate hydrogen by its reaction with hydrochloric acid?

Iron reacts with dilute hydrochloric acid.

Iron reacts with dilute hydrochloric acid.

A metal that does not react with hydrochloric acid

Zinc liberate hydrogen gas when reacted with dilute hydrochloric acid, whereas copper does not. Explain why?

Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid, whereas copper does not. Explain, why?