The electrical energy, or voltage, from two simple cells is measured. statement 1: Cell 1 has a higher voltage than cell 2. statement 2: Zinc is more reactive than copper. statement 3: Magnesium is oxidised in both cells. statement 4: Magnesium atoms lose electrons to form magnesium ions. Which option is correct?
- AAll the statements are correct.
- BOnly statements 1 and 3 are correct.
- CStatement 2 is correct and explains statement 1.
- DStatement 4 is correct and explains statement 3.