Question

give balanced equation to show the preparation of hydrogen by the following a) cold water b) steam c) iron d) alkali e) nitric acid​

Answer 1

metal+acid gives rise to hydrogen has

Explanation:

iron +nitric acid = hydrogen +.....

Answer 2

Answer:

a.) 2K + 2H2O ---> 2KOH+ H2

b.) Zn +H2O---> ZnO +H2

c.) 3Fe +4H2O<=> Fe3O4 + 4H2

d.) yeh mile to mjhe bhi bta dena