A) 1 : 1
B) 1 : 2
C) 2 : 1
D) 9 : 4
Correct Answer: A
Solution :
\[Zn+{{H}_{2}}S{{O}_{4}}\to ZnS{{O}_{4}}+{{H}_{2}}\] \[Zn+2NaOH\to N{{a}_{2}}Zn{{O}_{2}}+{{H}_{2}}\] \ Ratio of volumes of \[{{H}_{2}}\] evolved is 1:1.
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