Flag 8 grade science> You must have seen tarnished copper vesse...
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You must have seen tarnished copper vessels being cleaned with lemon or tamarind juice. Explain why these sour substances are effective in cleaning the vessels.

Harshit Singh , 3 Years ago
Grade 12th pass
anser 2 Answers
Pawan Prajapati

Last Activity: 3 Years ago

Our expert is working on this class X maths answer. We will update the answer very soon.

Jayesh Vashishtha

Last Activity: 3 Years ago

Dear Student,
 

Copper reacts with moist carbon dioxide in the air to form copper carbonate, and the shiny brown surface of the copper vessel is covered by a green layer of copper carbonate.The citric acid in lemons or tamarind dissolves the coating by neutralising the base copper carbonate.As a result, tarnished copper vessels are washed with lemon or tamarind juice to restore their lustre.

 

regards,

Team Askiitians

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