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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
Write a balanced equation for the action of heat on a mixture of copper and concentrated nitric acid.
How will you prepare the following from nitric acid?
Sodium nitrate
Name the Following:
Salt referred to as chile saltpeter.
Give reason for the following:
In laboratory preparation of nitric acid all the apparatus including cork should be made up of glass.
Give reason for the following:
Nitric acid is used in purification of gold.
Write balanced equation and name the product formed when :
Zinc reacts with dilute nitric acid.
What do you observe when?
Hydrogen sulphide is bubbled through conc. HNO3?
Complete and balance the following equation:
Cu + HNO3 → NO2 + ________+ _________
Write a balanced equation for the production of nitrogen dioxide using copper.
Write a chemical equation to illustrate the acidic nature of nitric acid.
