Advertisements
Advertisements
प्रश्न
What do you observe when?
Conc. HNO3 drops on the skin of a person?
Advertisements
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.
APPEARS IN
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.
Give reason for the following:
Aqua regia dissolves gold and platinum.
What do you observe when?
Scrap zinc is heated with conc. HNO3?
What happens when (Given balanced equation):
Nitric acid is added to Kl (aq)?
Complete and balance the following equation :
Fe + HNO3(conc.) → _____________
Choose the correct answer from the option given below :
Nitric acid on standing develops brownish colour which may be attributed to the presence of :
What do you see when concentrated nitric acid is added to copper?
What would you observe in the following case:
Copper is heated with concentrated nitric acid in a hard glass test tube.
