What is oxidation? Md. Saifur Rahman The reaction in which electron donation of an atom occurs or positive charge of that atom increases or negative charge of that decreases is called oxidation reaction.You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?