Give one example of oxidation when loss of hydrogen takes place and write a chemical equation in support of your answer.

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Solution

Oxidation: The addition of oxygen to a substance or removal of hydrogen from a substance is known as oxidation.
Example - Hydrochloric acid $(HCl)$ gets oxidised by the removal of hydrogen to form chlorine $({Cl}_{2})$ gas.
$4 HCl (aq) + O_{2} (g) \overset{}{\to} 2 {Cl}_{2} (g) + 2 H_{2} O (l)$

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