Question

why do copper vessel lose shine when exposed to air?what is the role of passivization in this process?

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Answer 1

One of the main reason why the copper vessels lose their shine when exposed to air is due to the process called passivization. ... At the surface of vessel, Copper atoms react with the Oxygen atoms in the air forming copper-oxide

2Cu+O2------------->2CuO

Answer 2

Ram ram ...

Here is your answer mate...

due to the process called passivization. ... At the surface of vessel, Copper atoms react with the Oxygen atoms in the air forming copper-oxide...

Hope it helps...

2Cu+O2------------->2CuO