Question

which acid is present in substances which are used to clean greenish stains on copper vessels.​

Answer 1

Answer:

Salt or lemon can be used to clean green stains ( copper carbonate) on copper vessels and shine black (silver sulphide ) on silver utensils.

Answer 2

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❥Salt or lemon can be used to clean green stains ( copper carbonate) on copper vessels and shine black (silver sulphide ) on silver utensils.