Question

In the above followings schematic diagram for the preparation of hydrogen gas as shown in the figure, what would happen if following changes are made?

If sodium hydroxide is taken in place of sulphuric acid and the tube is heated then hydrogen gas will be liberated.

State whether true or false :

Answer 1

If sodium hydroxide is taken in place of sulphuric acid then hydrogen gas will be evolved.
$Zn+2NaOH$ $\to$ $N{a}_{2}Zn{O}_2+H_2$
(Sodium zincate)

So, the statement is correct.