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Lemon or tamarind is used for cleaning c...

Lemon or tamarind is used for cleaning copper vessels turned greenish.

Text Solution

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i.The green colour on copper vessels is due to formation of copper carbonate on it.
ii. Copper carbonate reacts with acids present in lemon or tamarind and as a result, this copper carbonate layer gets removed.
Hence, lemon or tamarind is used for cleaning copper vessels turned green
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