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JAMB - Chemistry (1995 - No. 21)
Which of the following is a redox reaction?
KCI
(aq)
+ H
2
SO
4(aq)
→ KHSO
4(aq)
+ HCI
(aq)
2FeBr
2(aq)
+ Br
4(aq)
→ 2FeBr
3(aq)
3AgNO
(aq)
+ FeCl
3(aq)
→ 3AgCl
(aq)
+ Fe(NO
3
)
3(aq)
H
2
CO
3(aq)
→ H
2
O
(I)2-
+ CO
2(g)
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