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:

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