Question

copper and brass vessel are cleaned in scintific reason
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Answer 1

Answer:

Solution. Copper vessels get tarnished due to corrosion of copper metal. It forms a layer of copper oxide, which is basic in nature. When lemon juice which contains citric acid is added to it, neutralisation reaction takes place thus the vessel gets cleaned.

Answer 2

Answer:

Copper vessels get tarnished due to corrosion of copper metal. It forms a layer of copper oxide, which is basic in nature. When lemon juice which contains citric acid is added to it, neutralisation reaction takes place thus the vessel gets cleaned.