Copper utensils slowly lose their shiny brown surface
Acids, Bases and Salts (10)Copper utensils slowly lose their shiny brown surface and gain a green coat on prolonged exposure to atmospheric air. This is due to the formation of a coating of
- Copper sulphate
- Copper carbonate
- Cupric oxide
- Cuprous oxide
Answer
B - copper carbonate
- Exam Year: 2020 Compartment
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