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Explain the following in terms of gain o...

Explain the following in terms of gain or loss of oxygen with two examples.
Oxidation

Text Solution

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Oxidation : If a substance gains oxygen or loses hydrogen during a chemical reaction, it is said to be óxidised and such a reaction is known as oxidation reaction.
Examples:
(i) `4Na+O_2 rarr 2Na_2O`
In this reaction, sodium (Na) is oxidised to sodium oxide `(Na_2O)`.
(ii) `CuO + H_2 rarr Cu + H_2O`
In this reaction `H_2` is oxidised to `H_2O`.
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