Copper vessel are never used to keep curd . Why??
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Copper vessel are never used to keep curd . Why??
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Explanation:
Curd contains lactic acid and when curd is kept in a copper vessel then the lactic acid reacts with the metal. As a result, it produces a metallic salt.
This metallic salt is toxic in nature hence, it is not fit for human consumption. It can also cause food poisoning.
The reaction will be as follows.
Metal + Acid Salt + Hydrogen gas
Therefore, the curd will get poisonous and on the other hand copper vessel will get corroded.