Question

define (i) oxidation (ii) reduction and (iii) Resox reaction

Answer 1

the gain of oxygen and loss of hydrogen is called oxidation

the loss of oxygen and gain of hydrogen is called reduction

when oxidation and reduction takes place simanteously is called redox reaction

Answer 2

{1}The gain of oxygen and loss of hydrogen is called oxidation.
{2}The loss of oxygen and gain of hydrogen is called reduction. 
{3}When oxidation and reduction takes place simultaneously is called redox reaction.

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