Chemistry, asked by chiragkachhia2003, 9 months ago

How can the black coating of copper oxide can be removed?

Answers

Answered by mukeshgour2911

We can chemically remove the black coatings of copper dioxide by passing hydrogen gas over it. The hydrogen will remove the oxygen and leave coppermetal and water vapour.

Answered by Anonymous

Explanation:

Copper oxide reacts with hydrogen to form copper and water. So passing hydrogen gas over copper oxide will remove the black coating.

Hope it helps you Mate ✌ ✌

have a great day ☺

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