Question

why we are advice to not store curd and pickles in metal reason​

Answer 1

Answer:

When curd and other sour substances are kept in metallic containers like copper vessel, copper reacts with the acid in it to form hydrogen gas and toxic substances which are unhealthy and unfit for human consumption. It may cause food poisoning also.

Answer 2

Answer:

curd or acidic substances react with metal to form toxic and poisoning substances that can cause deadly effect on human body....so never store curd or acidic substances in metal container such as brass pot

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