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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
Give a balanced chemical equation for Laboratory preparation of Nitric acid.
Ammonia is used in the Ostwald process.
Give the sources of reactants used in this process.
Write a balanced equation and name the products formed when zinc reacts with dilute nitric acid.
Name a solution which absorbs nitric oxide.
Name the Following:
Salt used in the laboratory to prepare nitric acid
Give reason for the following:
Aluminum does not react with nitric acid of any concentration.
Write the equation for the reaction:
Aluminium nitride and Water.
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
Explain the following :
An all glass apparatus is used in the laboratory preparation of nitric acid.
A dilute acid B does not normally give hydrogen when reacted with metals but does give a gas when it reacts with copper. Identify B. Write the equation with copper.
