The diagram illustrates a simple cell. Which pair of metals gives the greatest voltage?
- Ametal P: iron; metal Q: copper
- Bmetal P: magnesium; metal Q: copper
- Cmetal P: magnesium; metal Q: zinc
- Dmetal P: zinc; metal Q: copper
Chemistry 0620 · IGCSE · Reactivity series
The diagram illustrates a simple cell. Which pair of metals gives the greatest voltage?