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WAEC - Chemistry (1991 - No. 23)
Which of the reactions represented by the following equations will take place at room temperature?
C 6 H
2
O → CO + H
2
CuO + H
2
→ Cu + H
2
O
N
2
+ 3H
2
→ 2NH
3
2Na + 2H
2
O → 2NaOH + H
2
2Fe + 3CI
2
→ 2FeCI
3
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