why should curd and sour substances not be kept in brass and copper vessels
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Because they contains lactic acid which can react with metal to form toxic substances which might harm or lead to any serious disease
Anonymous:
ty shalini
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Curd and other sour substances contain acids. Therefore, when they are kept in brass and copper vessels, the metal reacts with the acid to liberate hydrogen gas and harmful products, thereby spoiling the food.
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