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Why should curd or pickle not be stored in copper vessels?

Answer and explanation

Correct answer: Acids can react with metal and form harmful salts

The governing concept is the reaction of food acids with reactive metals. Curd contains lactic acid, and many pickles contain acids such as acetic acid. These acids can react with copper when food is stored in a copper vessel for a long time, forming copper salts that may contaminate the food and be harmful in excess. Thus option A is correct. The other choices contradict the presence of acids or make unsupported claims about copper.

Related tags

Food AcidsCopper VesselSafetyAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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