Question

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Why do the copper vessels get tarnished? How
will you regain the shine of copper vessels? Name the types of reactions involved in both the processes​

Answer 1

Answer:

hey.....

Answer: In tarnished copper vessel there is layer formed due to corrosion which is basic in nature which is dissolved in the lemon or tamarind juice which are acidic in nature. Thus the vessel get thoroughly cleaned

Answer 2

Answer:

Copper vessels generally get tarnished (change color) when kept in open. It is due to the formation of a black layer of copper oxide and a green layer of copper carbonate on the copper vessel when it comes in contact with the light and oxygen.