When same amount of zinc is treated separately with excess of `H_(2)SO_(4) and NaOH`, the ratio of volumes of `H_(2)` evolved is:

When the same amount of zinc is treated separately with excess of H_(2)SO_(4) and excess of NaOH, the ratio of volumes of H_(2) evolved is

When the same amount of zinc is treated separately with excess of H_(2)SO_(4) and excess of NaOH , the ratio of volumes of H_(2) evolved is:

When the same amount of zinc is treated with excess if H_2SO_4 and with excess if NaOH, the ratio of the volumes of H_2 evolved , is

2g of aluminium is treated separately with excess of dil. H_(2)SO_(4) and excess of NaOH, the ratio of volume of hydrogen evolved is :

2g of aluminium is treated, separately with excess of dilute H_(2)SO_(4) , and excess of NaOH , the ratio of volumes of hydrogen evolved is

When the same amount of Zn is treated with excess of H_(2)SO_(4) and excess of NaOH separately, the ratio of the volume of hydrogen evolved is-

When equal amounts of Zn is allowed to react seperately with excess H_(2)SO_(4) and excess NaOH,then ratio of the volumes of hydrogen produced for the first and the second case respectively is -