What happens when:
(a) zinc reacts with NaOH
(b) zinc reacts with HCl?
a. When zinc reacts with NaOH the following reaction takes place: -
2NaOH + Zn Na2ZnO2 + H2
Hydrogen gas is evolved with the formation of the corresponding salt.
b. When zinc reacts with HCl the following reaction takes place: -
2HCl + Zn → ZnCl2 + H2
Hydrogen gas is evolved with the formation of the corresponding salt.