Which gas is produced when dilute hydrochloric acid is added to a reactive metal?

52 Describe the reaction of potassium with water. Write the equation of the reaction involved. 52 Write an equation of the reaction of iron with steam. Indicate the physical states of all the reactants and products. 53 Give one example, with equation, of the displacement of hydrogen by a metal from an acid. 53 Name two metals (other than zinc and iron) which can displace hydrogen from dilute hydrochloric acid?