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What is the correct reason for avoiding storage of curd in a copper vessel?

Answer and explanation

Correct answer: Acids in curd can react with copper and form harmful salts

The governing concept is the reaction of acids with metals. Curd contains lactic acid and is therefore acidic. During prolonged storage, the acid may react with copper, producing soluble copper compounds that can contaminate the food and may be harmful in excess. The vessel is consequently unsuitable for curd. Option A is correct; B and C describe impossible changes, while D incorrectly denies the presence of acid in curd.

Related tags

Food AcidsCopper VesselSafetyMetals And Non MetalsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScienceClass 10 Mcq

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