Questions
Hydrogen is not obtained when zinc reacts with
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a
Cold water
b
Hot NaOH solution
c
Conc. sulphuric acid
d
dilute HCl
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Correct option is C
Zn + H2O→ ZnO + H2 Zn + 2NaOH→ Na2ZnO2 + H2 Zn + 2H2SO4→ ZnSO4 + SO2 + 2H2O Zn + 2HCl→ ZnCl2 + H2Similar Questions
Which of the following gas is/are obtained by electrolysis of acidified water using platinum electrodes?
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