Which of the following reactions represents the laboratory preparation of hydrogen?
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- A C(s) + H 2 O(l) → CO(g) + H2(g)
- B 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g)
- C Zn(s) + 2HCI[sub](aq) → ZnCI2(aq) + H2(g)[/sub]
- D Cu(s) + H2O(l) → CuO(s) + H2(g)
- E 2AI(s) + 3H2O(l) → Al[sub]2O3(s) + 3H2(g)[/sub]
Correct Answer: Option C
Explanation:
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