HARDMCQ SINGLEJEE Mains ChemistryInorganic ChemistryHydrogenAchiever Section
Which of the following reaction produces hydrogen?
A.Mg+H₂O
B.H₂S₂O₈ + H₂O
C.BaO₂ + HCl
D.Na₂O₂ + 2HCl
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