Class 11 Chemistry Hydrogen Hydrogen

Easy

Which of the following reactions produces hydrogen?

AIIMS 2002 All AIIMS

A
$Mg + 2H_2O \to Mg(OH)_2 + H_2$
B
$BaO_2 + 2HCl \to BaCl_2 + H_2O_2$
C
$H_2S_2O_8 + 2H_2O \to 2H_2SO_4 + H_2O_2$
D
$Na_2O_2 + 2HCl \to 2NaCl + H_2O_2$

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Hydrogen

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Hydrogen

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