7.2 Evidence of a Chemical Reaction
7.2 Evidence of a Chemical Reaction
7.2 Evidence of a Chemical Reaction
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7.9 Oxidation–Reduction <strong>Reaction</strong>s<br />
• <strong>Reaction</strong>s involving the transfer <strong>of</strong> electrons<br />
are called oxidation–reduction reactions or<br />
redox reactions.<br />
• Redox reactions are responsible for the rusting<br />
<strong>of</strong> iron, the bleaching <strong>of</strong> hair, and the<br />
production <strong>of</strong> electricity in batteries.<br />
• Many redox reactions involve the reaction <strong>of</strong> a<br />
substance with oxygen.
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