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For Extraction of metals and reduction, which acid-base focus answer best supports this Unit 4.4 objective: Explain why electrolysis is needed to extract some reactive metals from molten compounds?.
- A.Reactive metals cannot be extracted by heating alone - correct acid-base focus for electrolysis
- B.Wrong acid-base focus: confuses electrolysis with a nearby Unit 4.4 chemical change idea
- C.Wrong particle check: uses the wrong ion, electrode, acid-base term, or product for Extraction of metals and reduction
- D.Wrong reaction link: does not support Explain why electrolysis is needed to extract some reactive metals from molten compounds
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