Nickel displacing copper. Nickel (Ni) strip in a solution of copper (II) sulphate (CuSO4). Nickel is more reactive than the copper,and has replaced it in the solution. Solid copper (Cu) forms on the nickel in what is termed a displacement or substitution reaction. The nickel can be placed above copper in a reactivity series. This amount of copper formed after 1.5 hours | |
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