When copper powder is heated in air what does it form?
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When copper is heated in air it form copper oxide, into black
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When copper powder is heated in air Gradually the surface of the copper powder starts becoming black.
This black colour substance layering over the copper powder is mainly due to surface oxidation and the formation of a compound known as copper oxide.
This follows the basic chemical process of oxidation where copper reacts with oxygen present in the air on heating in order to form copper oxide.
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