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When the same amount of zinc is treated ...

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

A

`1 : 1`

B

`2 : 1`

C

`9 : 4`

D

`1 , 2`

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A
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