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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
Explain the following:
An all-glass apparatus is used in the laboratory preparation of nitric acid.
Ammonia is used in the Ostwald process.
Give the sources of reactants used in this process.
Give two chemical equations for the following:
Nitric acid acting as the oxidizing agent.
Name the following :
Gas produced in air during lighting.
In which ratio reactants are taken in Ostwald process?
Give three equations of the reaction to prove that nitric acid is an acid.
What happen when (Given balanced equation):
Limestone reacts with nitric acid?
Fill in the blank with appropriate word/words.
Aqua regia is a mixture of _______ and________
Write balanced equation for the reaction between nitrogen and oxygen, when lightning strikes.
Lead nitrate decomposes on heating to give ______.
