Question

what is oxidation , Reduction ,with examples
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Answer 1

In this reaction, water is "decomposed" into hydrogen and oxygen. As in the previous example the H2O has a total oxidation state of 0; thus, according to Rule #6 the oxidation state of oxygen is usually -2, so the oxidation state of hydrogen in H2O must be +1.

Answer 2

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Oxidation is gain of oxygen. Reduction is loss of oxygen.

For example, in the extraction of iron from its ore: Because both reduction and oxidation are occurring simultaneously, this is known as a redox reaction. In the equation, the carbon monoxide is the reducing agent. Oxidizing agents give oxygen to another substance.