Question

curd should not be kept in a copper and brass vessels what is done to protect it

Answer 1

Heya!
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▪Curd shouldn't be stored in Brass and Copper vessels . This is because Curd contains Lactic Acid. This can react with Copper and Brass , that are metals . This can lead to accumulation of poisonous substances !

✔Hence , as a protective measure curd is not stored in metallic containers.


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Answer 2

because curd is actually an acid (lactic acid) which on keeping copper and brass vessels reacts with copper and brass and forms their respective salt . As we know that when an acid reacts with metal it forms salt + hydrogen .
And these salt are dangerous for our health