# Solve this following

Question:

$5 \mathrm{~g}$ of zinc is treated separately with an excess of

(a) dilute hydrochloric acid and

(b) aqueous sodium hydroxide.

The ratio of the volumes of $\mathrm{H}_{2}$ evolved in these two reactions is :

1. $1: 4$

2. $1: 2$

3. $2: 1$

4. $1: 1$

Correct Option: , 4

Solution: