The metal that gives hydrogen gas upon treatment with both acid as well as base is :

The metal, which gives hydrogen on treatment with acid as well as sodium hydroxide is

Which of the followign metal will release H_(2) gas on reaction with both acid as well as base separately

Metal, which gives H_(2) on treatment with acid as well as alkali, is _________.

Metal, which gives H_(2) on treatment with acid as well as alkali, is _________.