What is wrong in the chemical equation - 2Mg+20--------2MgO?
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3
the answer is 2Mg+02 ---2Mg0.
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O represents an atom of Oxygen. An atom of Oxygen is very reactive. Nascent Oxygen can not remain free in nature. It is very reactive. So, an atom of Oxygen reacts with another atom and forms an Oxygen molecule.
O + O ------------- O2 (2 is in subscript)
So right equation is
2Mg + O2 ---------------- 2MgO
O + O ------------- O2 (2 is in subscript)
So right equation is
2Mg + O2 ---------------- 2MgO
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