CH-1693
Simple cells
Chemistry · Secondary 4 · Medium · Simple cells
A simple cell is made using metal P and metal Q dipped in dilute sulfuric acid and connected by a wire. The bulb lights up. Which statement about the metals is correct?
- P must be less reactive than Q
- P and Q must have the same reactivity
- P must be more reactive than Q
- Both P and Q must be unreactive metals
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