the iron knife shines better after cutting the sour fruits like lemon raw, mangoes. why?
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Because the juice of it comes on it that’s why it shines after cutting sour fruits
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When citrus fruits like raw mangoes, lemons, and oranges are being cut with an iron knife it becomes more shiny after that because of the acid content of the fruits.
Explanation:
- Citrus fruits like lemons, oranges and raw mango have a high amount of organic acid in them.
- This acid is called citric acid and the strength of the acid is quite low concerning the other acids in the acid family-like hydrochloric acid and sulphuric acid.
- This citric acid is the reason behind the shine of the iron knife because it acts as a chelating agent on the iron knife.
- When acid comes in contact with metal bodies it chelates the surface of the metal causing it to shine.
Learn more about citrus fruits
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