CH-657
Reactivity series
Chemistry · Secondary 3 · Medium · Reactivity series
Magnesium ribbon is added to aqueous copper(II) sulfate. Which statement explains why a reaction occurs?
- Copper is more reactive than magnesium.
- Magnesium is less reactive and is displaced by copper.
- Magnesium is more reactive and displaces copper from solution.
- Both metals have the same reactivity so they exchange ions.
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