Question

why are copper and brass vessels cleaned with lemon juice?​

Answer 1

Hello

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:

because lemon juice was easily cleaned copper and brass vessels

lemon contains acid (citric) citric acid