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

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 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 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 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:

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 :

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 -

When the same amount of zinc is treated separately with excess of sulphric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is