Question

On heating copper powder in air the surface of copper powder becomes coated with black cuo.how can this black coating be converted into bron copper?write chemical equationduring the colour change

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

• If the Copper powder is heated , it reacts with oxygen present in the air to form Copper oxide which is black in colour.

• The black colour is produced due to the oxidation of Copper.
• equation;

$Cu + H_{2}O gives Cuo$

Explanation: