Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> What is an oxidizing agent?

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> If a substance gains hydrogen or loses oxygen during a reaction, it is said to be reduced and is called an oxidizing agent.
${\text{CH}}_4$ + ${\text{2O}}_2$ → ${\text{CO}}_2$ +${\text{2H}}_2$$\text{O}$

Here, oxygen is an oxidizing agent as it gains hydrogen and reduces to ${\text{H}}_2\text{O}$.