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 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 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 Zn is treated with excess of H_(2)SO_(4) and excess of NaOH separately, the ratio of the 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 zinc is treated separately with excess of sulphuric acid and sodium hydroxide, the ratio of volumes of hydrogen evolved is: