Q.

Equal quantities of zinc are separately treated with caustic soda solution and dil sulphuric acid. Then

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a

more hydrogen is liberated in the second case

b

more hydrogen is liberated in the first case

c

equal amount of hydrogen is liberated in both cases.

d

no reaction takes places

answer is C.

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Detailed Solution

Zn+H2SO4ZnSO4 + H

Zn+2NaOHNa2ZnO2+H2

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