| 1. | Use this to check the surface if it's oxidized.
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| 2. | A . The copper is in its first stage of oxidizing.
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| 3. | Some Catalin radios oxidized into completely different colors over the years.
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| 4. | I've had too many that were oxidized and stale.
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| 5. | The sulfide-oxidizing bacteria can also get sulfide from sediments.
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| 6. | Other organic and inorganic substances can be oxidized in this process.
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| 7. | Nitric acid is also commonly used as a strong oxidizing agent.
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| 8. | Sterling silver and pewter will oxidize and discolour from the heat.
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| 9. | Some elements and compounds can be both reducing or oxidizing agents.
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| 10. | Common oxidizing agents are oxygen, hydrogen peroxide and the halogens.
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