On heating copper powder in a the surface of copper becomes black it is dash reaction it is which reaction
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When the “copper powder” is heated in a 'china dish', the copper powder surface becomes coated with “black colour substance” due to the formation of 'copper oxide' by surface oxidation. EXPLANATION: Copper reacts with oxygen in the air upon heating and forms copper oxide.
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Answer:
COLOR CHANGE REACTION
Explanation:
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