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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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संबंधित प्रश्न
Explain with the help of a balanced equation the brown ring test for nitric acid.
How is nitric acid prepared in laboratory?
In which ratio reactants are taken in Ostwald process?
Write balanced equation and name the product formed when :
Concentrated nitric acid is heated.
Give reason for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitatre should not be heated very strongly, above 200°C
Write the balanced equation for the equation preparation of nitric acid from potassium nitrate.
Describe what you see when concentrated nitric acid is added to copper.
What do you see when concentrated nitric acid is added to copper?
Write the equation to show the reaction between the following:
Dilute nitric acid to produce carbon dioxide.
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
