Question

. What is an oxidation reaction? Is it exothermic or endothermic? Give one example of oxidation Reaction.

Answer 1

Oxidation is the loss of electrons during a reaction by a molecule, atom or ion. Oxidation occurs when the oxidation state of a molecule, atom or ion is increased. The opposite process is called reduction, which occurs when there is a gain of electrons or the oxidation state of an atom, molecule, or ion decreases.

Oxidation reactions are exothermic.

For example, when copper (Cu) is heated in the presence of air, it gets oxidised to form copper oxide (CuO).

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Answer 2

Answer:

oxidation reaction is a chemical reaction in which oxygen is added or hydrogen is removed. it is endothermic reaction

ex:c+o2=co2