Question

what happens to oxidation number of element during oxidation

Answer 1

Answer:

oxidation is when a substance gains oxygen during a reaction is known as oxidation .

Explanation:

In oxidation metal gets oxidised because of gaining ions of other element . for ex let's take copper when copper oxide reacts with water hydrogen is oxidised and form H2O mad CuO is reduced to Cu

Answer 2

Answer:

It May get increased in the redox reaction. This happens because as you know during a reaction an element changes it's valency it is the same.