Science, asked by napta, 1 year ago

why do copper vessel lose their shine when exposed to air

Answers

Answered by Anonymous
2
as they exposed in air they react with oxygen present in air and forms copper oxide which is blackish in color
that's why they loses shine
hope it will be helpful
Answered by Gamferno
0
as they aquaire a green susbtance which is a mixture of Carbon Carbonate and Carbon Hydroxide
2Cu+H2O+CO2+O2--> CuOH2 + CuCO3
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