When the same amount of zinc metal is treated separately with excess of \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\]and excess of\[\text{NaOH}\], the ratio of the volumes of \[{{\text{H}}_{\text{2}}}\]evolved is

When the same amount of zinc metal is treated separately with excess o

1.	When the same amount of zinc metal is treated separately with excess of \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\]and excess of\[\text{NaOH}\], the ratio of the volumes of \[{{\text{H}}_{\text{2}}}\]evolved is
A.	1 : 1
B.	1 : 2
C.	2:1
D.	None of these
Answer» B. 1 : 2

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When the same amount of zinc metal is treated separately with excess of \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\]and excess of\[\text{NaOH}\], the ratio of the volumes of \[{{\text{H}}_{\text{2}}}\]evolved is

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