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| 1. |
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. |
| Answer» SOLUTION :In TARNISHED copper vessel there is a layer of BASIC copper carbonate. This basic layer can be cleaned by using sour substances such as lemon or tamarind JUICE which are ACIDIC in nature and dissolve the basic coat of copper carbonate. | |