Question

when magnisium reacts with oxygen then heat is needed to produce magnisium oxide still why is it called exothermic reaction?​

Answer 1

After it burns, it forms a white powder of the magnesium oxide. Magnesiumgives up two electrons to oxygenatoms to form this powdery product. This is an exothermic reaction. Anexothermic reaction is a term that describes a chemical reaction in which there is a net release of energy (heat).

Answer 2

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WHEN WEDO THE REACTION THERE IS SOME HEAT ARE PRODUCED DURING THE CHEMICAL REACTION SO IT IS CALLED AS EXOTHERMIC REACTION

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