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For Using electrolysis to extract metals, which reaction focus answer best supports this Unit 4.4 objective: Describe oxide ions losing electrons at the anode to form oxygen?.
- A.They lose electrons to form oxygen - correct reaction focus for anode
- B.Wrong reaction focus: confuses anode with a nearby Unit 4.4 chemical change idea
- C.Wrong particle check: uses the wrong ion, electrode, acid-base term, or product for Using electrolysis to extract metals
- D.Wrong reaction link: does not support Describe oxide ions losing electrons at the anode to form oxygen
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