How to find whether a component is oxidant or reductant

1.	How to find whether a component is oxidant or reductant
Answer» Reductant => who LOST its electrons in the REDOX reaction. Oxidant=> who gains electrons in the Redox reaction. Example of this is RUSTING of IRON. Fe+O2=> Fe2O3 Here Iron is a reductant and oxygen is a oxidant.

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