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• Heat a china dish containing about 1g ...

• Heat a china dish containing about 1g copper power (Fig.).

What do you observe ?

Text Solution

Verified by Experts

We observe that the surface of copper power becomes coated with black copper (II) oxide. It is formed the reaction of copper powder with oxygen.
`2Cu + O_2 overset("heat")(rarr)2CuO`
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