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Why should acidic food items, such as curd and pickles, not be stored in metallicutensils? |
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Answer» Acids, as you know are, are chemically very active. They will accept electron pairs readily to "oxidise" the electron donor. Again, metals contain lots of free electrons. So most metals will react with acids to yield compounds called salts.It is these salts that are harmful; salts of many metals (like copper and aluminium) with organic acids (like citric acid or acetic acid) are toxic.This is why you should never store foodstuffs in metallic vessels. (Most of our food tends to be acidic). |
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