English, asked by vijaypathak7676, 7 months ago

A tranished copper vessel begins to shine again when rybbed with lemon

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Answered by Anonymous

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On rubbing a tarnished copper vessel with lemon, it begins to shine again. Lemon is acidic. Thus, on rubbing the tarnished copper vessel with lemon, the basic copper oxide or copper carbonate reacts with the acid (citric acid) present in the lemon to form a salt which is washed away with water.♡

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