Which of the following reactions represents the... - WAEC Chemistry 1989 Question
Which of the following reactions represents the laboratory preparation of hydrogen?
A
C(s) + H 2 O(l) → CO(g) + H2(g)
B
2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)
C
Zn(s) + 2HCI(aq) → ZnCI2(aq) + H2(g)
D
Cu(s) + H2O(l) → CuO(s) + H2(g)
correct option: c
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