What happen when metals are burn in the presence of air. Write two example of reactions
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Magnesium gives up two electrons to oxygen atoms to form this powdery product. This is an exothermic reaction. When a metal is burnt in air then it reacts with oxygen present in air and make its metal oxides.
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when metals are burnt in the air they react with oxygen to form metallic oxides which are basic in nature.
sodium and potassium are highly reactive that they catch fire when they come in contact with oxygen, tremendous amount of energy is released. hence they are stored in kerosene to prevent accidental fires and to protect the metals.
copper doesn't burn on heating but it forms a layer of black compound known as copper oxide.
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