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JAMB - Chemistry (1988 - No. 20)
Given the reactions (i) Fe
(s)
+ X(NO
3
)
2(aq)
→ Fe(NO
3
) + X
(s)
(ii) H
2(g)
+ XO
→ X
+ H
2
O
(s)
; X is likely to be?
copper
zinc
calcium
lead
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