Which one of the following is <strong>NOT</strong> an oxidation reaction?
- A. Rusting of iron
- B. Opening of soda bottle ✓
- C. Rancidity
- D. Combustion
Correct Answer: B. Opening of soda bottle
Explanation
Opening a soda bottle is a physical change caused by the release of dissolved CO_2 due to a drop in pressure. It does not involve any electron transfer or oxidation.
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