CH-1752
Simple cells
Chemistry · Secondary 4 · Hard · Simple cells
A simple cell is made using magnesium and copper electrodes in dilute sulfuric acid. The voltmeter shows a reading of +2.7 V, with the copper connected to the positive terminal.
Which statement about this cell is correct?
Which statement about this cell is correct?
- Magnesium is the negative electrode and is oxidised more easily than copper.
- Magnesium is the positive electrode and is reduced more easily than copper.
- Copper is the negative electrode and is oxidised more easily than magnesium.
- Copper is the positive electrode and is oxidised more easily than magnesium.
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