me7glbretapooh me7glbretapooh
  • 23-11-2016
  • Chemistry
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help! why does nitric acid stain the skin yellow?

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Greenleafable
Greenleafable Greenleafable
  • 28-11-2016
Due to its reaction with keratin which can be found in human skin, concentrated nitric acid stains it yellow. Keratin shields your skin from damage or stress, and can change color when found in reaction with this acid.
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