$(a)$ Why should curd and sour substances not be kept in brass and copper vessels?
(N/A) Curd and other sour substances contain acids.
These acids react with the metal (copper) present in brass and copper vessels.
This chemical reaction leads to the formation of metallic salts (compounds) which are toxic or poisonous in nature.
Consuming food stored in such vessels can cause food poisoning.
These acids react with the metal (copper) present in brass and copper vessels.
This chemical reaction leads to the formation of metallic salts (compounds) which are toxic or poisonous in nature.
Consuming food stored in such vessels can cause food poisoning.
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