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Which is a redox reaction according to the electron transfer view?

AMetal displacing another
BSalt dissolving in water
CIce melting into water
DSugar dissolving in tea
Answer & Solution
Correct answer: A. Metal displacing another
1. Electron transfer marks a redox reaction. 2. Dissolving and melting move no electrons between species. 3. A metal displacing another does transfer electrons. _Source: syllabus Chemistry Part II, Unit 8, Redox Reactions._
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