<p>5 g of Zn reacts with</p>

<p>(i) Excess of NaOH (ii) Dilute HCl, then volume ratio of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>H</mi><mn>2</mn></msub></math>&nbsp;gas evolved in (i) and (ii) is:</p>