Question

Write the balanced equation for the preparation of the following salt in the laboratory:

A soluble sulphate by the action of an acid on a metal.

Answer 1

\[\ce{Zn + H2SO4 ⟶ ZnSO4 + H2}\]

Answer 2

\[\ce{\underset{metal}{Mg} + \underset{acid}{H2SO4}-> \underset{sulphate}{\underset{soluble}{MgSO4}}+H2}\]