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प्रश्न
Give reason for the following:
Nitric acid is used in purification of gold.
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उत्तर
Nitric acid is used in the purification of gold because impurities of other metals are dissolved in it.
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संबंधित प्रश्न
Name the gas evolved when the following mixtures are heated.
Sodium Nitrite and Ammonium Chloride
What is the type of salt formed when the reactants are heated at a suitable temperature for the preparation of Nitric acid?
Ammonia is used in the Ostwald process.
Give the sources of reactants used in this process.
Name the process used for the manufacture of nitric acid.
What happen when (Given balanced equation):
Limestone reacts with nitric acid?
Complete and balance the following equation :
HNO3 + FeSO4 + H2SO4 → ______________
Give reason for the following:
Commercial concentrated nitric acid is yellow in colour, but when it is dilute with water, it turns colourless.
Give one chemical test for nitric acid.
Write the balanced equation for the equation preparation of nitric acid from potassium nitrate.
Write a chemical equation to illustrate the acidic nature of nitric acid.
What happens when
NH3 solution is added to CuSO4 solution drop by drop and then in excess.
