Chemistry > 2002 > 7
JAMB UTME
Which of the following solutions containing only hydroxyl ions will liberate hydrogen gas when reacted with magnesium metals?
A.
1.0 x 10-2 mol dm3
B.
1.0 x 10-4 mol dm3
C.
1.0 x 10-6 mol dm3
D.
1.0 x 10-12mol dm3
Answer: D
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