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Which of the reactions represented by the follo... - WAEC Chemistry 1991 Question

Which of the reactions represented by the following equations will take place at room temperature?
A
C 6 H2O → CO + H2
B
CuO + H2 → Cu + H2O
C
N2 + 3H2 → 2NH3
D
2Na + 2H2O → 2NaOH + H2
correct option: d
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