The metals which produce hydrogen only with very dilute nitric acid are.

What are the two metals which produce dihydrogen with very dilute (1-2%) nitric acid ?

Iron reacts with very dilute nitric acid to produce

When Zn reacts with very dilute nitric acid it produces:

The metal which produces hydrogen gas on reaction with dilute hydrochloric acid as well as sodium hydroxide solution is

The treatment of zinc with very dilute nitric acid produces:

The treatment of zinc with very dilute nitric acid produces: