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प्रश्न
What do you observe when?
Conc. HNO3 drops on the skin of a person?
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उत्तर
When conc. HNO3 drops on the skin of a person it reacts with the protein of the skin and forms a yellow compound called xanthoproteic acid, hence skin becomes yellow, Excess of conc. HNO3 causes blisters on the skin and is highly corrosive.
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