What reaction takes place when copper gets tarnished. Name the products formed while it gets cleaned when we rub it with lemon or tamarind juice.
Asked by tgreat181121 | 2nd Mar, 2019, 03:53: PM
Copper reacts with moist carbon dioxide in air to form copper carbonate and as a result, copper vessel loses its shiny brown surface forming a green layer of copper carbonate.
The citric acid present in the lemon or tamarind neutralises the basis copper carbonate and dissolves the layer.
Answered by Sivanand Patnaik | 2nd Mar, 2019, 06:32: PM
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