Which of the following statements regarding oxidation and reduction are correct?

1In oxidation, loss of electron takes place whereas in reduction, gain of electron takes place.

2.In oxidation, gain of electron takes place whereas in reduction, loss of electron takes place.

3.Oxidizing agent decreases the oxidation number but reducing agent increases the oxidation number.

4.Oxidizing agent increases the oxidation number but reducing agent reduces the oxidation number

General Ability 2012 NDA General Ability 2012 NDA 2012

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