Surface of some metals lose there brightness when kept in air for a long time. why?
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some metals like magnesium are reactive to oxygen in open air
so the reaction will be like
2Mg +O2= 2MgO
these oxides of metals are non lustrous so they lose their brightness.
hope I helped!
mark me the brainliest
so the reaction will be like
2Mg +O2= 2MgO
these oxides of metals are non lustrous so they lose their brightness.
hope I helped!
mark me the brainliest
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