Zn(s) + 2HCI2(aq) + H 2(g)
Fe (s) + H 2SO4(aq) → FeSO4(aq) + H2(g)
Cu (s) + 2HCI (aq) → CuCI 2(aq) + H2(g)
Ca(s) + 2H Ca(OH)2(g)
2Na(s) + 2H 2O (1) → 2NaOH(aq) + H2(g)
Correct answer is C
No explanation has been provided for this answer.
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