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When the same amount of zinc is treated ...

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

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In both cases, the same volume of hydrogen is evolved for the same amount of zinc reacted.
`Zn + H_(2)SO_(4) rarr ZnSO_(4) + H_(2)uarr`
`Zn + 2NaOH rarr Na_(2)ZnO_(2) + H_(2) uarr`
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